BE789491Q - Ellipsographe - Google Patents

Ellipsographe

Info

Publication number
BE789491Q
BE789491Q BE789491DA BE789491Q BE 789491 Q BE789491 Q BE 789491Q BE 789491D A BE789491D A BE 789491DA BE 789491 Q BE789491 Q BE 789491Q
Authority
BE
Belgium
Prior art keywords
ellipsographer
Prior art date
Application number
Other languages
English (en)
Original Assignee
Sachsenhaus Marcel
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.)
Publication date
Priority to FR994004 priority Critical
Priority to FR37380A priority patent/FR89035E/fr
Priority to BE789491 priority
Application granted granted Critical
Publication of BE789491Q publication Critical patent/BE789491Q/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L11/00Non-circular-curve-drawing instruments
    • B43L11/02Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/055Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides
BE789491D 1964-11-14 Ellipsographe BE789491Q (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR994004 1964-11-14
FR37380A FR89035E (fr) 1964-11-14 1965-11-05 Appareil traceur de courbes, en particulier d'ellipses et de cercles
BE789491 1972-09-29

Publications (1)

Publication Number Publication Date
BE789491Q true BE789491Q (fr) 1973-01-15

Family

ID=27159416

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789491D BE789491Q (fr) 1964-11-14 Ellipsographe

Country Status (4)

Country Link
US (1) US3323214A (fr)
BE (1) BE789491Q (fr)
CH (1) CH449978A (fr)
GB (1) GB1114989A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445275A (en) * 1982-06-07 1984-05-01 David Dubrow Drawing assembly
US7362119B2 (en) * 2005-08-01 2008-04-22 Touchdown Technologies, Inc Torsion spring probe contactor design
CN112056665B (zh) * 2020-08-24 2022-07-05 太仓繁晟电子科技有限公司 一种用于布料的辅助划线装置

Also Published As

Publication number Publication date
US3323214A (en) 1967-06-06
GB1114989A (en) 1968-05-22
CH449978A (fr) 1968-01-15

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