CH438085A - Drawing device - Google Patents

Drawing device

Info

Publication number
CH438085A
CH438085A CH1446664A CH1446664A CH438085A CH 438085 A CH438085 A CH 438085A CH 1446664 A CH1446664 A CH 1446664A CH 1446664 A CH1446664 A CH 1446664A CH 438085 A CH438085 A CH 438085A
Authority
CH
Switzerland
Prior art keywords
drawing device
Prior art date
Application number
CH1446664A
Other languages
German (de)
Inventor
Gerhard Elger Willi
Original Assignee
Gerhard Elger Willi
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 Gerhard Elger Willi filed Critical Gerhard Elger Willi
Publication of CH438085A publication Critical patent/CH438085A/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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • 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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/08—Protractor heads
CH1446664A 1963-11-20 1964-11-09 Drawing device CH438085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1963E0025889 DE1239483C2 (en) 1963-11-20 1963-11-20 Drawing device

Publications (1)

Publication Number Publication Date
CH438085A true CH438085A (en) 1967-06-15

Family

ID=7071885

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1446664A CH438085A (en) 1963-11-20 1964-11-09 Drawing device

Country Status (4)

Country Link
US (1) US3289299A (en)
CH (1) CH438085A (en)
DE (1) DE1239483C2 (en)
FR (1) FR1416058A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474538A (en) * 1968-02-13 1969-10-28 Kirk Gaard Inc Geometry teaching aid
US3673690A (en) * 1970-03-16 1972-07-04 Fernando De Barros Navigational trapezoid
US4462168A (en) * 1983-06-27 1984-07-31 International Design Corporation Variable angle straight edge
US5007320A (en) * 1988-06-22 1991-04-16 Inventive Ideas Incorporated Compass
DE19747193A1 (en) * 1997-10-24 1999-04-29 Korbinian Schmid Set square with integrated compasses
CN100593476C (en) * 2004-07-20 2010-03-10 马达瓦·拉朱·哈姆萨·南德希尼·纳亚基 Geometric tool with simple drawing hole mechanism
USD873806S1 (en) * 2018-08-13 2020-01-28 Cheng Uei Precision Industry Co., Ltd. Antenna

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1139229A (en) * 1914-08-05 1915-05-11 Ralph Waldo Requa Square.
GB342114A (en) * 1930-01-18 1931-01-29 Ernest Myers Dignan Improvements in or relating to trammels
US1995204A (en) * 1930-07-07 1935-03-19 Ford William Walter Drafting instrument
US2003172A (en) * 1933-08-19 1935-05-28 Carleton W Burt Geometrical instrument
US2542537A (en) * 1945-10-04 1951-02-20 William F Klemm Protractor compass
CH251415A (en) * 1946-08-05 1947-10-31 Isliker Ernst Auxiliary tool for finding district centers.
US2768443A (en) * 1955-09-28 1956-10-30 Chiaravalloti Nicola Beam compass for marking and cutting
DE1862227U (en) * 1962-07-13 1962-11-15 Anne Elger DRAWING DEVICE.

Also Published As

Publication number Publication date
DE1239483C2 (en) 1967-11-09
DE1239483B (en) 1967-04-27
FR1416058A (en) 1965-10-29
US3289299A (en) 1966-12-06

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