IT1142475B - Perfezionamento nei corredi di attrezzi da disegno - Google Patents

Perfezionamento nei corredi di attrezzi da disegno

Info

Publication number
IT1142475B
IT1142475B IT48212/81A IT4821281A IT1142475B IT 1142475 B IT1142475 B IT 1142475B IT 48212/81 A IT48212/81 A IT 48212/81A IT 4821281 A IT4821281 A IT 4821281A IT 1142475 B IT1142475 B IT 1142475B
Authority
IT
Italy
Prior art keywords
improvement
equipment
design tools
tools
design
Prior art date
Application number
IT48212/81A
Other languages
English (en)
Other versions
IT8148212A0 (it
Inventor
Glen R Anderson
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of IT8148212A0 publication Critical patent/IT8148212A0/it
Application granted granted Critical
Publication of IT1142475B publication Critical patent/IT1142475B/it

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
    • 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
    • B43L13/04—Guides for rulers
IT48212/81A 1980-04-07 1981-04-06 Perfezionamento nei corredi di attrezzi da disegno IT1142475B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13812880A 1980-04-07 1980-04-07

Publications (2)

Publication Number Publication Date
IT8148212A0 IT8148212A0 (it) 1981-04-06
IT1142475B true IT1142475B (it) 1986-10-08

Family

ID=22480541

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48212/81A IT1142475B (it) 1980-04-07 1981-04-06 Perfezionamento nei corredi di attrezzi da disegno

Country Status (6)

Country Link
JP (1) JPS56159290U (it)
CA (1) CA1140334A (it)
DE (1) DE3113875A1 (it)
FR (1) FR2479745A1 (it)
GB (1) GB2073106B (it)
IT (1) IT1142475B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564414A (en) * 1982-05-21 1986-01-14 Esselte Pendaflex Corporation Magnetic devices, apparatus for use in connection with dry transfer sheets incorporating such devices and sheets for use therein
US4771543A (en) * 1986-09-22 1988-09-20 Konrad Joseph D Patent-drafting aid
GB2558988B (en) * 2017-01-21 2021-01-20 My Sweet Petunia Inc Craftwork tools and kits

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1511421A1 (de) * 1966-06-20 1969-07-10 Broll Werner Magnetische Vorrichtung fuer Reissbrett und Reissschiene
IT1114079B (it) * 1978-01-24 1986-01-27 Demathe Leslie Complesso per disegnare comprendente una pulralita' di elementi magnetizzati

Also Published As

Publication number Publication date
FR2479745A1 (fr) 1981-10-09
JPS56159290U (it) 1981-11-27
GB2073106A (en) 1981-10-14
IT8148212A0 (it) 1981-04-06
GB2073106B (en) 1983-10-05
CA1140334A (en) 1983-02-01
DE3113875A1 (de) 1982-01-14

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