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IT1244231B - COMPASS WITH HALF TRACKING PERPENDICULARITY OF INDEPENDENT TRACKING - Google Patents

COMPASS WITH HALF TRACKING PERPENDICULARITY OF INDEPENDENT TRACKING

Info

Publication number
IT1244231B
IT1244231B IT00292190A IT292190A IT1244231B IT 1244231 B IT1244231 B IT 1244231B IT 00292190 A IT00292190 A IT 00292190A IT 292190 A IT292190 A IT 292190A IT 1244231 B IT1244231 B IT 1244231B
Authority
IT
Italy
Prior art keywords
tracking
perpendicularity
compass
independent
independent tracking
Prior art date
Application number
IT00292190A
Other languages
Italian (it)
Other versions
IT9002921A1 (en
IT9002921A0 (en
Inventor
Rolando Poeta
Original Assignee
Rolando Poeta
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 Rolando Poeta filed Critical Rolando Poeta
Priority to IT00292190A priority Critical patent/IT1244231B/en
Publication of IT9002921A0 publication Critical patent/IT9002921A0/en
Priority to PCT/IT1991/000028 priority patent/WO1991015372A1/en
Publication of IT9002921A1 publication Critical patent/IT9002921A1/en
Application granted granted Critical
Publication of IT1244231B publication Critical patent/IT1244231B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/02—Compasses
    • B43L9/025—Compasses with parallel legs
IT00292190A 1990-04-09 1990-04-09 COMPASS WITH HALF TRACKING PERPENDICULARITY OF INDEPENDENT TRACKING IT1244231B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT00292190A IT1244231B (en) 1990-04-09 1990-04-09 COMPASS WITH HALF TRACKING PERPENDICULARITY OF INDEPENDENT TRACKING
PCT/IT1991/000028 WO1991015372A1 (en) 1990-04-09 1991-04-08 Compass with its drawing means maintained automatically perpendicular

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT00292190A IT1244231B (en) 1990-04-09 1990-04-09 COMPASS WITH HALF TRACKING PERPENDICULARITY OF INDEPENDENT TRACKING

Publications (3)

Publication Number Publication Date
IT9002921A0 IT9002921A0 (en) 1990-04-09
IT9002921A1 IT9002921A1 (en) 1991-10-09
IT1244231B true IT1244231B (en) 1994-07-08

Family

ID=11103853

Family Applications (1)

Application Number Title Priority Date Filing Date
IT00292190A IT1244231B (en) 1990-04-09 1990-04-09 COMPASS WITH HALF TRACKING PERPENDICULARITY OF INDEPENDENT TRACKING

Country Status (2)

Country Link
IT (1) IT1244231B (en)
WO (1) WO1991015372A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002014030A1 (en) * 2000-08-11 2002-02-21 Roto Zip Tool Corporation Circle forming attachment for hand-held power tool
KR101932476B1 (en) 2017-11-06 2018-12-26 김영진 Compass

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE91195C (en) *
DE45098C (en) * U. schoerner in Breslau, Louisenplatz 16 Compasses with parallel legs
US1571777A (en) * 1925-04-24 1926-02-02 Golden Charles Fremont Circle-working implement
US2318384A (en) * 1941-03-25 1943-05-04 Jerome A Fried Toolmaker's compass
GB565233A (en) * 1943-05-28 1944-11-01 Horace Frederick King Improvements in compasses
GB669909A (en) * 1949-03-28 1952-04-09 Richard Denny Molesworth Improvements in or relating to drawing instruments
US2818650A (en) * 1954-06-04 1958-01-07 Stephen J Kanuch Compass
FR1129665A (en) * 1955-08-02 1957-01-24 New compass with parallel branches
DE2052078A1 (en) * 1970-10-23 1972-04-27 Hilmar Raum Compasses or zero compasses, especially in connection with ink drawing implements.
US4542587A (en) * 1984-01-24 1985-09-24 Emerson Clarence A Drawing compass apparatus

Also Published As

Publication number Publication date
IT9002921A1 (en) 1991-10-09
WO1991015372A1 (en) 1991-10-17
IT9002921A0 (en) 1990-04-09

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Legal Events

Date Code Title Description
0001 Granted