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USD578870S1 - Grade chair - Google Patents

Grade chair Download PDF

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Publication number
USD578870S1
USD578870S1 US29/303,818 US30381808F USD578870S US D578870 S1 USD578870 S1 US D578870S1 US 30381808 F US30381808 F US 30381808F US D578870 S USD578870 S US D578870S
Authority
US
United States
Prior art keywords
grade chair
grade
chair
view
ornamental design
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US29/303,818
Inventor
Felix L. Sorkin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US29/303,818 priority Critical patent/USD578870S1/en
Application granted granted Critical
Publication of USD578870S1 publication Critical patent/USD578870S1/en
Assigned to GENERAL TECHNOLOGIES, INC., SORKIN, FELIX, GTI HOLDINGS, LLC, PRECISION-HAYES INTERNATIONAL, INC. reassignment GENERAL TECHNOLOGIES, INC. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: DIAMOND STATE VENTURES III LP, INDEPENDENT BANKERS CAPITAL FUND III, L.P.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

The grade chair is used to support rebar in concrete construction.
FIG. 1 is an upper perspective view of the grade chair showing my design.
FIG. 2 is a front view thereof, a back view being a mirror image thereof;
FIG. 3 is a side view thereof, an opposite side view being a mirror image thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom view thereof.

Claims (1)

    CLAIM
  1. The ornamental design for a grade chair, as shown and described.
US29/303,818 2008-02-18 2008-02-18 Grade chair Expired - Lifetime USD578870S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/303,818 USD578870S1 (en) 2008-02-18 2008-02-18 Grade chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/303,818 USD578870S1 (en) 2008-02-18 2008-02-18 Grade chair

Publications (1)

Publication Number Publication Date
USD578870S1 true USD578870S1 (en) 2008-10-21

Family

ID=39855917

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/303,818 Expired - Lifetime USD578870S1 (en) 2008-02-18 2008-02-18 Grade chair

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US (1) USD578870S1 (en)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090044481A1 (en) * 2005-01-18 2009-02-19 Turek James N Rebar, beam and mesh highchair
USD618988S1 (en) * 2006-12-11 2010-07-06 Peterson Jr David J Rebar chair with depth gauge
US20110214381A1 (en) * 2010-03-02 2011-09-08 JAB Plastic Products Corporation Supporting rebar with interchangeable crowns
USD669346S1 (en) * 2009-07-08 2012-10-23 SMCP ApS Pipe and hose clamp
USD672921S1 (en) * 2011-04-19 2012-12-18 Classic Brands, LLC Seed allocator for a wild bird feeder
USD706608S1 (en) * 2012-08-22 2014-06-10 Karl Offermann Rebar chair
US8833302B2 (en) 2012-04-02 2014-09-16 Classic Brands, LLC Bird feeder with rotating perch
USD719817S1 (en) * 2012-09-21 2014-12-23 Jack Perry Chair
USD721262S1 (en) * 2013-06-25 2015-01-20 BIP Company, LLC Concrete reinforcement retaining chair
US8978586B1 (en) 2012-05-23 2015-03-17 Classic Brands, LLC Wild bird feed dispenser with squirrel-resistant mechanism
USD732928S1 (en) 2012-12-19 2015-06-30 Meadow Burke, Llc Bolster for supporting rebar
USD733529S1 (en) 2012-12-19 2015-07-07 Meadow Burke, Llc Rebar bolster
USD736599S1 (en) * 2014-12-04 2015-08-18 Allway Tools, Inc. Supporting device for painting
USD738194S1 (en) * 2013-10-25 2015-09-08 Concrete Countertop Solutions, Inc. Reinforcement support member
USD791579S1 (en) * 2015-09-08 2017-07-11 Jack Perry Chair
USD838576S1 (en) * 2018-01-19 2019-01-22 OCM, Inc. Stackable rebar chair extension
USD869935S1 (en) * 2018-07-24 2019-12-17 Robert Ireland Stand
USD889943S1 (en) * 2019-01-10 2020-07-14 Southwest Agri-Plastics, Inc. Pipe support
USD889940S1 (en) * 2019-04-02 2020-07-14 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD932285S1 (en) * 2019-04-02 2021-10-05 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD941122S1 (en) 2019-07-11 2022-01-18 Southwest Agri-Plastics, Inc. Pipe support
US11280430B2 (en) 2018-07-12 2022-03-22 DuraPlas, LP Pipe support
USD968199S1 (en) * 2019-04-23 2022-11-01 Hk Marketing Lc Tie standoff
USD968196S1 (en) * 2020-10-13 2022-11-01 Rebar Support Products, Inc. Rebar support
USD984873S1 (en) * 2021-09-08 2023-05-02 OCM, Inc. Rebar chair
USD1019351S1 (en) 2022-08-11 2024-03-26 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1027617S1 (en) 2022-06-22 2024-05-21 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1027618S1 (en) * 2023-08-30 2024-05-21 T.J. Harris Company Support for concrete reinforcing members
USD1027619S1 (en) * 2023-08-29 2024-05-21 T.J. Harris Company Support for reinforcing members in concrete footing
USD1031416S1 (en) 2022-06-22 2024-06-18 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1033211S1 (en) 2022-08-11 2024-07-02 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1064687S1 (en) * 2020-05-18 2025-03-04 ModCribs, LLC Temporary support stand for a volumetric modular unit
USD1100632S1 (en) * 2024-09-25 2025-11-04 Q.E.P. Co. Inc. Cap for tile leveling system
USD1100633S1 (en) * 2024-09-25 2025-11-04 Q.E.P. Co. Inc. Cap for tile leveling system

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387423A (en) * 1965-09-24 1968-06-11 Arne Brenna Reinforcement spacer for the support of reinforcing bars in molding forms for concrete
US3693310A (en) * 1970-11-09 1972-09-26 Pre Stress Concrete Support for elongated reinforcing members in concrete structures
US4060954A (en) * 1972-11-03 1977-12-06 Liuzza James J Bar chair for reinforcing rods
USD271847S (en) * 1981-05-18 1983-12-20 Ernest Hernandez Concrete reinforcement bar support
USD271846S (en) * 1981-03-09 1983-12-20 Ernest Hernandez Support for concrete reinforcement bar
US4498270A (en) * 1982-04-12 1985-02-12 Preco Industries Limited Support for positioning reinforcing rods or mesh in concrete or the like
USD279352S (en) * 1984-06-19 1985-06-25 Mitchell Diana L Concrete reinforcing rod spacer
US4682461A (en) * 1986-03-31 1987-07-28 Winston C. Sizemore Support for reinforcing bar
US4835933A (en) * 1988-02-11 1989-06-06 Yung Fernand P Rebar spacer assembly
USD324643S (en) * 1989-11-27 1992-03-17 International Plastics, Inc. Rebar and beam highchair
US5107654A (en) * 1988-10-07 1992-04-28 Nicola Leonardis Foundation reinforcement chairs
USD334133S (en) * 1991-12-26 1993-03-23 George Hartzheim Support for metal reinforcements in poured concrete
US5729949A (en) * 1996-09-09 1998-03-24 Hartzheim; G. Douglas Slab on grade chair
USD394200S (en) * 1996-05-07 1998-05-12 Hartzheim G Douglas Slab on grade chair
USD421709S (en) * 1998-10-02 2000-03-21 Aztec Concrete Accessories, Inc. Tower chair
USD480291S1 (en) * 2002-07-16 2003-10-07 Felix L. Sorkin Paving chair
USD482262S1 (en) * 2002-09-25 2003-11-18 Felix L. Sorkin Paving chair
US20040098942A1 (en) * 2002-11-21 2004-05-27 Aztec Concrete Accessories, Inc. Post-tension intersection chair
USD491443S1 (en) * 2003-09-11 2004-06-15 John Leslie Lowery Reinforcing wire mesh support
USD500243S1 (en) * 2004-01-15 2004-12-28 James N. Turek, Sr. Rebar, beam and mesh highchair

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387423A (en) * 1965-09-24 1968-06-11 Arne Brenna Reinforcement spacer for the support of reinforcing bars in molding forms for concrete
US3693310A (en) * 1970-11-09 1972-09-26 Pre Stress Concrete Support for elongated reinforcing members in concrete structures
US4060954A (en) * 1972-11-03 1977-12-06 Liuzza James J Bar chair for reinforcing rods
USD271846S (en) * 1981-03-09 1983-12-20 Ernest Hernandez Support for concrete reinforcement bar
USD271847S (en) * 1981-05-18 1983-12-20 Ernest Hernandez Concrete reinforcement bar support
US4498270A (en) * 1982-04-12 1985-02-12 Preco Industries Limited Support for positioning reinforcing rods or mesh in concrete or the like
USD279352S (en) * 1984-06-19 1985-06-25 Mitchell Diana L Concrete reinforcing rod spacer
US4682461A (en) * 1986-03-31 1987-07-28 Winston C. Sizemore Support for reinforcing bar
US4835933A (en) * 1988-02-11 1989-06-06 Yung Fernand P Rebar spacer assembly
US5107654A (en) * 1988-10-07 1992-04-28 Nicola Leonardis Foundation reinforcement chairs
USD324643S (en) * 1989-11-27 1992-03-17 International Plastics, Inc. Rebar and beam highchair
USD334133S (en) * 1991-12-26 1993-03-23 George Hartzheim Support for metal reinforcements in poured concrete
USD394200S (en) * 1996-05-07 1998-05-12 Hartzheim G Douglas Slab on grade chair
US5729949A (en) * 1996-09-09 1998-03-24 Hartzheim; G. Douglas Slab on grade chair
USD421709S (en) * 1998-10-02 2000-03-21 Aztec Concrete Accessories, Inc. Tower chair
USD480291S1 (en) * 2002-07-16 2003-10-07 Felix L. Sorkin Paving chair
USD482262S1 (en) * 2002-09-25 2003-11-18 Felix L. Sorkin Paving chair
US20040098942A1 (en) * 2002-11-21 2004-05-27 Aztec Concrete Accessories, Inc. Post-tension intersection chair
USD491443S1 (en) * 2003-09-11 2004-06-15 John Leslie Lowery Reinforcing wire mesh support
USD500243S1 (en) * 2004-01-15 2004-12-28 James N. Turek, Sr. Rebar, beam and mesh highchair

Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090044481A1 (en) * 2005-01-18 2009-02-19 Turek James N Rebar, beam and mesh highchair
USD618988S1 (en) * 2006-12-11 2010-07-06 Peterson Jr David J Rebar chair with depth gauge
USD669346S1 (en) * 2009-07-08 2012-10-23 SMCP ApS Pipe and hose clamp
US20110214381A1 (en) * 2010-03-02 2011-09-08 JAB Plastic Products Corporation Supporting rebar with interchangeable crowns
USD672921S1 (en) * 2011-04-19 2012-12-18 Classic Brands, LLC Seed allocator for a wild bird feeder
US8833302B2 (en) 2012-04-02 2014-09-16 Classic Brands, LLC Bird feeder with rotating perch
US8833301B2 (en) 2012-04-02 2014-09-16 Classic Brands, LLC Bird feeder with rotating perch
US8978586B1 (en) 2012-05-23 2015-03-17 Classic Brands, LLC Wild bird feed dispenser with squirrel-resistant mechanism
USD706608S1 (en) * 2012-08-22 2014-06-10 Karl Offermann Rebar chair
USD738195S1 (en) * 2012-09-21 2015-09-08 Jack Perry Chair
USD719817S1 (en) * 2012-09-21 2014-12-23 Jack Perry Chair
USD733529S1 (en) 2012-12-19 2015-07-07 Meadow Burke, Llc Rebar bolster
USD732928S1 (en) 2012-12-19 2015-06-30 Meadow Burke, Llc Bolster for supporting rebar
USD721262S1 (en) * 2013-06-25 2015-01-20 BIP Company, LLC Concrete reinforcement retaining chair
USD738194S1 (en) * 2013-10-25 2015-09-08 Concrete Countertop Solutions, Inc. Reinforcement support member
USD751369S1 (en) 2013-10-25 2016-03-15 Concrete Countertop Solutions, Inc. Reinforcement support member
USD736599S1 (en) * 2014-12-04 2015-08-18 Allway Tools, Inc. Supporting device for painting
USD791579S1 (en) * 2015-09-08 2017-07-11 Jack Perry Chair
USD838576S1 (en) * 2018-01-19 2019-01-22 OCM, Inc. Stackable rebar chair extension
US11280430B2 (en) 2018-07-12 2022-03-22 DuraPlas, LP Pipe support
US11578818B2 (en) * 2018-07-12 2023-02-14 DuraPlas, LP Pipe support
US20220213983A1 (en) * 2018-07-12 2022-07-07 DuraPlas, LP Pipe support
USD869935S1 (en) * 2018-07-24 2019-12-17 Robert Ireland Stand
USD889943S1 (en) * 2019-01-10 2020-07-14 Southwest Agri-Plastics, Inc. Pipe support
USD948993S1 (en) 2019-04-02 2022-04-19 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD932285S1 (en) * 2019-04-02 2021-10-05 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD889940S1 (en) * 2019-04-02 2020-07-14 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1061227S1 (en) * 2019-04-23 2025-02-11 Hk Marketing Lc Tie standoff
USD968199S1 (en) * 2019-04-23 2022-11-01 Hk Marketing Lc Tie standoff
USD941122S1 (en) 2019-07-11 2022-01-18 Southwest Agri-Plastics, Inc. Pipe support
USD1064687S1 (en) * 2020-05-18 2025-03-04 ModCribs, LLC Temporary support stand for a volumetric modular unit
USD968196S1 (en) * 2020-10-13 2022-11-01 Rebar Support Products, Inc. Rebar support
USD984873S1 (en) * 2021-09-08 2023-05-02 OCM, Inc. Rebar chair
USD1027617S1 (en) 2022-06-22 2024-05-21 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1031416S1 (en) 2022-06-22 2024-06-18 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1033211S1 (en) 2022-08-11 2024-07-02 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1019351S1 (en) 2022-08-11 2024-03-26 Inland Concrete Products, Inc. Support chair for poured concrete reinforcement members
USD1027619S1 (en) * 2023-08-29 2024-05-21 T.J. Harris Company Support for reinforcing members in concrete footing
USD1033202S1 (en) * 2023-08-29 2024-07-02 T.J. Harris Company Support for reinforcing members in concrete footing
USD1027618S1 (en) * 2023-08-30 2024-05-21 T.J. Harris Company Support for concrete reinforcing members
USD1100632S1 (en) * 2024-09-25 2025-11-04 Q.E.P. Co. Inc. Cap for tile leveling system
USD1100633S1 (en) * 2024-09-25 2025-11-04 Q.E.P. Co. Inc. Cap for tile leveling system

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