CH547714A - Appareil a dessiner portatif. - Google Patents

Appareil a dessiner portatif.

Info

Publication number
CH547714A
CH547714A CH310372A CH310372A CH547714A CH 547714 A CH547714 A CH 547714A CH 310372 A CH310372 A CH 310372A CH 310372 A CH310372 A CH 310372A CH 547714 A CH547714 A CH 547714A
Authority
CH
Switzerland
Prior art keywords
drawing apparatus
portable drawing
portable
Prior art date
Application number
CH310372A
Other languages
English (en)
Original Assignee
Keuffel & Esser Co
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 Keuffel & Esser Co filed Critical Keuffel & Esser Co
Publication of CH547714A publication Critical patent/CH547714A/fr

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
    • B43L13/005—Portable combined drawing-aids including boards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S33/00—Geometrical instruments
    • Y10S33/01—Magnetic
CH310372A 1971-03-09 1972-03-03 Appareil a dessiner portatif. CH547714A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12240671A 1971-03-09 1971-03-09

Publications (1)

Publication Number Publication Date
CH547714A true CH547714A (fr) 1974-04-11

Family

ID=22402551

Family Applications (1)

Application Number Title Priority Date Filing Date
CH310372A CH547714A (fr) 1971-03-09 1972-03-03 Appareil a dessiner portatif.

Country Status (14)

Country Link
US (1) US3672062A (fr)
JP (1) JPS511173B1 (fr)
AU (1) AU454619B2 (fr)
BE (1) BE780193A (fr)
BR (1) BR7201276D0 (fr)
CA (1) CA959255A (fr)
CH (1) CH547714A (fr)
DE (1) DE2210807B2 (fr)
DK (1) DK138981B (fr)
FR (1) FR2131991B1 (fr)
GB (1) GB1375065A (fr)
IT (1) IT957539B (fr)
NL (1) NL7202881A (fr)
SE (1) SE374892B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4403423A (en) * 1979-09-07 1983-09-13 Ford Alan T Drafting instrument
GB8608165D0 (en) * 1986-04-03 1986-05-08 Frazer Design Consultants Ltd Draughting tables &c
GB2213947A (en) * 1987-12-23 1989-08-23 Keith Wah Chan Drawing instrument
US4823475A (en) * 1988-03-21 1989-04-25 Hoegh Poul E Drafting device
USRE33654E (en) * 1988-03-21 1991-08-06 Drafting device
US5012586A (en) * 1989-08-28 1991-05-07 Ashworth Anthony J Plotting and drafting apparatus with magnetic guide
US5343625A (en) * 1992-11-25 1994-09-06 Chen Chiang M Portable magnetic drafting board
US7895760B1 (en) * 2006-12-06 2011-03-01 Bareis Kathryn M Universal design sheet material holder assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1686980A (en) * 1927-07-26 1928-10-09 Claude C Nuckols Drawing board and attached straightedge
US2360911A (en) * 1941-02-04 1944-10-24 William H Tress Navigational plotter
US2689404A (en) * 1951-07-13 1954-09-21 Pettersen Mfg Company Pointer attachment for straight edge and roller assemblies
FR1206363A (fr) * 1958-08-13 1960-02-09 Appareil à dessiner magnétique
US3122840A (en) * 1960-08-08 1964-03-03 Karstens Edward Siegfried Precision leveling device

Also Published As

Publication number Publication date
US3672062A (en) 1972-06-27
DE2210807B2 (de) 1975-12-04
BE780193A (fr) 1972-07-03
BR7201276D0 (pt) 1973-06-14
IT957539B (it) 1973-10-20
FR2131991B1 (fr) 1976-06-11
CA959255A (en) 1974-12-17
JPS511173B1 (fr) 1976-01-14
SE374892B (fr) 1975-03-24
DK138981C (fr) 1979-05-14
NL7202881A (fr) 1972-09-12
DE2210807A1 (de) 1972-09-14
AU3965272A (en) 1973-09-13
DK138981B (da) 1978-11-27
FR2131991A1 (fr) 1972-11-17
AU454619B2 (en) 1974-10-11
GB1375065A (fr) 1974-11-27

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Legal Events

Date Code Title Description
PL Patent ceased