DE212356C - - Google Patents

Info

Publication number
DE212356C
DE212356C DENDAT212356D DE212356DA DE212356C DE 212356 C DE212356 C DE 212356C DE NDAT212356 D DENDAT212356 D DE NDAT212356D DE 212356D A DE212356D A DE 212356DA DE 212356 C DE212356 C DE 212356C
Authority
DE
Germany
Prior art keywords
leg
compass
insert
fixed
spiral
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT212356D
Other languages
German (de)
English (en)
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 DE212356C publication Critical patent/DE212356C/de
Active legal-status Critical Current

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
    • B43L11/06—Non-circular-curve-drawing instruments for drawing spirals

Landscapes

  • Toys (AREA)
  • Sheet Holders (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
DENDAT212356D 1909-04-10 Active DE212356C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190908625T 1909-04-10

Publications (1)

Publication Number Publication Date
DE212356C true DE212356C (enrdf_load_stackoverflow)

Family

ID=32443677

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT212356D Active DE212356C (enrdf_load_stackoverflow) 1909-04-10

Country Status (3)

Country Link
DE (1) DE212356C (enrdf_load_stackoverflow)
FR (1) FR396907A (enrdf_load_stackoverflow)
GB (1) GB190908625A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR396907A (fr) 1909-04-24
GB190908625A (en) 1909-06-03

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