BE520053A - - Google Patents

Info

Publication number
BE520053A
BE520053A BE520053DA BE520053A BE 520053 A BE520053 A BE 520053A BE 520053D A BE520053D A BE 520053DA BE 520053 A BE520053 A BE 520053A
Authority
BE
Belgium
Application number
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 of BE520053A publication Critical patent/BE520053A/xx

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
    • B43L13/14—Devices for drawing in perspective
    • B43L13/147—Three-dimensional devices
BE520053D 1952-05-30 BE520053A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2807090X 1952-05-30

Publications (1)

Publication Number Publication Date
BE520053A true BE520053A (enrdf_load_html_response)

Family

ID=4571928

Family Applications (1)

Application Number Title Priority Date Filing Date
BE520053D BE520053A (enrdf_load_html_response) 1952-05-30

Country Status (3)

Country Link
US (1) US2807090A (enrdf_load_html_response)
BE (1) BE520053A (enrdf_load_html_response)
FR (1) FR1077867A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0201538D0 (en) * 2002-01-24 2002-03-13 Lewis Robert A W Drawing aid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1064878A (en) * 1912-04-20 1913-06-17 Joseph D C Young Drafting appliance.
US1346593A (en) * 1920-05-07 1920-07-13 Clercq Hendrik De Drawing-board
BE375319A (enrdf_load_html_response) * 1929-11-30
US2210895A (en) * 1940-01-06 1940-08-13 Bradley Milton Co Drawing apparatus
US2413376A (en) * 1944-05-09 1946-12-31 Mildred Hirshstein Drafting machine

Also Published As

Publication number Publication date
FR1077867A (fr) 1954-11-12
US2807090A (en) 1957-09-24

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