NL7100443A - - Google Patents

Info

Publication number
NL7100443A
NL7100443A NL7100443A NL7100443A NL7100443A NL 7100443 A NL7100443 A NL 7100443A NL 7100443 A NL7100443 A NL 7100443A NL 7100443 A NL7100443 A NL 7100443A NL 7100443 A NL7100443 A NL 7100443A
Authority
NL
Netherlands
Application number
NL7100443A
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
Priority claimed from FR7001484A external-priority patent/FR2076470A5/fr
Priority claimed from FR7046928A external-priority patent/FR2119270A6/fr
Application filed filed Critical
Publication of NL7100443A publication Critical patent/NL7100443A/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
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • 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
    • 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
NL7100443A 1970-01-14 1971-01-13 NL7100443A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7001484A FR2076470A5 (en) 1970-01-14 1970-01-14
FR7046928A FR2119270A6 (en) 1970-12-22 1970-12-22

Publications (1)

Publication Number Publication Date
NL7100443A true NL7100443A (en) 1971-07-16

Family

ID=26215492

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7100443A NL7100443A (en) 1970-01-14 1971-01-13

Country Status (7)

Country Link
US (1) US3783519A (en)
BE (1) BE761256A (en)
CH (1) CH536196A (en)
DE (1) DE2101287A1 (en)
ES (1) ES387204A1 (en)
GB (1) GB1329661A (en)
NL (1) NL7100443A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4137635A (en) * 1977-09-01 1979-02-06 Harvey Douglas P Standard parallel rule with perspective drawing device
US4823475A (en) * 1988-03-21 1989-04-25 Hoegh Poul E Drafting device
USRE33654E (en) * 1988-03-21 1991-08-06 Drafting device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US222271A (en) * 1879-12-02 Improvement in perspective t-squares
US155726A (en) * 1874-10-06 Improvement in drawing-charts
US2328471A (en) * 1941-07-22 1943-08-31 Remington Rand Inc Drawing fixture
US2419725A (en) * 1945-09-20 1947-04-29 Gordon M Nosser Perspective drawing instrument
US2487690A (en) * 1947-01-24 1949-11-08 Goss K Black Perspective aid device
FR1005869A (en) * 1947-10-10 1952-04-16 Faber Castell A W Folding stand for drawing and painting
GB820722A (en) * 1955-02-25 1959-09-23 Lucas Industries Ltd Perspective drawing apparatus
US3479741A (en) * 1967-04-18 1969-11-25 Raymond Nicyper Set of underlay drafting panels
US3456352A (en) * 1968-04-15 1969-07-22 Casey E Bowen Drafting and navigational instruments
US3457648A (en) * 1968-05-31 1969-07-29 Boeing Co Isometric drafting converter

Also Published As

Publication number Publication date
US3783519A (en) 1974-01-08
ES387204A1 (en) 1974-08-16
DE2101287A1 (en) 1972-05-25
CH536196A (en) 1973-04-30
GB1329661A (en) 1973-09-12
BE761256A (en) 1971-06-16

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Legal Events

Date Code Title Description
BV The patent application has lapsed