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USD271390S - Helicopter - Google Patents

Helicopter Download PDF

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Publication number
USD271390S
USD271390S US06/146,621 US14662180F USD271390S US D271390 S USD271390 S US D271390S US 14662180 F US14662180 F US 14662180F US D271390 S USD271390 S US D271390S
Authority
US
United States
Prior art keywords
helicopter
convenience
illustration
broken away
elevational view
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
US06/146,621
Other versions
US4841778A (en
Inventor
Buford J. Schramm
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.)
NETHERWOOD JOHN
Original Assignee
US Department of Energy
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 US Department of Energy filed Critical US Department of Energy
Priority to US06/146,621 priority Critical patent/USD271390S/en
Application granted granted Critical
Publication of USD271390S publication Critical patent/USD271390S/en
Assigned to NETHERWOOD, JOHN reassignment NETHERWOOD, JOHN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SCHRAMM, BUFORD J.
Assigned to NETHERWOOD, JOHN reassignment NETHERWOOD, JOHN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SCHRAMM, BUFORD J.
Assigned to NETHERWOOD, JOHN reassignment NETHERWOOD, JOHN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SCHRAMM, BUFORD J.
Assigned to NETHERWOOD, JOHN reassignment NETHERWOOD, JOHN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SCHRAMM, BUFORD J.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a right side elevational view of a helicopter showing my new design with the forward rotor blade broken away in the center for convenience of illustration it being understood that said forward rotor blade is of the same length as the rear upper rotor blade;
FIG. 2 is a top plan view thereof;
FIG. 3 is an enlarged front elevational view thereof with the two upper rotor blades broken away in the center for convenience of illustration; and
FIG. 4 is an enlarged rear elevational view thereof with the upper rotor blades omitted and the support structure for said blades broken away for convenience of illustration.
The side opposite to that shown in the drawing is a mirror image thereof except for the tail vane and tail rotor.

Claims (1)

  1. The ornamental design for a helicopter, as shown and described.
US06/146,621 1980-04-28 1980-04-28 Helicopter Expired - Lifetime USD271390S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/146,621 USD271390S (en) 1980-04-28 1980-04-28 Helicopter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/146,621 USD271390S (en) 1980-04-28 1980-04-28 Helicopter

Publications (1)

Publication Number Publication Date
USD271390S true USD271390S (en) 1983-11-15

Family

ID=64159163

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/146,621 Expired - Lifetime USD271390S (en) 1980-04-28 1980-04-28 Helicopter

Country Status (1)

Country Link
US (1) USD271390S (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD332078S (en) 1991-08-09 1992-12-29 Bell Helicopter Textron Inc. Helicopter
USD361054S (en) 1994-06-16 1995-08-08 Mccaw Wendy P Helicopter
USD635199S1 (en) * 2009-02-12 2011-03-29 Hobbyengine Model Ltd. Toy helicopter
USD1040728S1 (en) * 2021-05-18 2024-09-03 Leonardo S.P.A. Helicopter
USD1041386S1 (en) * 2021-05-18 2024-09-10 Leonardo S.P.A. Helicopter toy

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478353A (en) 1967-03-15 1969-11-11 Lockheed Aircraft Corp Rotor blade antenna inspection device
US3921939A (en) 1973-06-18 1975-11-25 Helicorporation Directional control system for helicopters

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478353A (en) 1967-03-15 1969-11-11 Lockheed Aircraft Corp Rotor blade antenna inspection device
US3921939A (en) 1973-06-18 1975-11-25 Helicorporation Directional control system for helicopters

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD332078S (en) 1991-08-09 1992-12-29 Bell Helicopter Textron Inc. Helicopter
USD361054S (en) 1994-06-16 1995-08-08 Mccaw Wendy P Helicopter
USD635199S1 (en) * 2009-02-12 2011-03-29 Hobbyengine Model Ltd. Toy helicopter
USD1040728S1 (en) * 2021-05-18 2024-09-03 Leonardo S.P.A. Helicopter
USD1041386S1 (en) * 2021-05-18 2024-09-10 Leonardo S.P.A. Helicopter toy
USD1106028S1 (en) 2021-05-18 2025-12-16 Leonardo S.P.A. Tail plane for a helicopter

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