CH87572A - Zirkel. - Google Patents

Zirkel.

Info

Publication number
CH87572A
CH87572A CH87572DA CH87572A CH 87572 A CH87572 A CH 87572A CH 87572D A CH87572D A CH 87572DA CH 87572 A CH87572 A CH 87572A
Authority
CH
Switzerland
Prior art keywords
circle
Prior art date
Application number
Other languages
English (en)
Inventor
Co Eugene Dietzgen
Original Assignee
Co Eugene Dietzgen
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 Co Eugene Dietzgen filed Critical Co Eugene Dietzgen
Publication of CH87572A publication Critical patent/CH87572A/de

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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/16—Features common to compasses, dividers, and callipers
    • B43L9/20—Pivots
CH87572D 1919-06-11 1920-04-12 Zirkel. CH87572A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US303271A US1343664A (en) 1919-06-11 1919-06-11 Compasses

Publications (1)

Publication Number Publication Date
CH87572A true CH87572A (de) 1920-12-16

Family

ID=23171291

Family Applications (1)

Application Number Title Priority Date Filing Date
CH87572D CH87572A (de) 1919-06-11 1920-04-12 Zirkel.

Country Status (3)

Country Link
US (1) US1343664A (de)
CH (1) CH87572A (de)
DE (1) DE348704C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582585A (en) * 1947-03-20 1952-01-15 James Mfg Co Inc Compass
US2559170A (en) * 1947-12-10 1951-07-03 Pickett Herbert Micrometer caliper with ball pivot and cam
US2794259A (en) * 1953-04-24 1957-06-04 Proebster Jr C Compass

Also Published As

Publication number Publication date
DE348704C (de) 1922-02-14
US1343664A (en) 1920-06-15

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