FR512304A - Improvements to drawing devices - Google Patents

Improvements to drawing devices

Info

Publication number
FR512304A
FR512304A FR512304A FR512304DA FR512304A FR 512304 A FR512304 A FR 512304A FR 512304 A FR512304 A FR 512304A FR 512304D A FR512304D A FR 512304DA FR 512304 A FR512304 A FR 512304A
Authority
FR
France
Prior art keywords
drawing devices
devices
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.)
Expired
Application number
FR512304A
Other languages
French (fr)
Inventor
Alexander George Ionides
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR512304A publication Critical patent/FR512304A/en
Expired 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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/20—Curve rulers or templets
FR512304A 1919-06-10 1920-03-24 Improvements to drawing devices Expired FR512304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB512304X 1919-06-10

Publications (1)

Publication Number Publication Date
FR512304A true FR512304A (en) 1921-01-20

Family

ID=10459152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512304A Expired FR512304A (en) 1919-06-10 1920-03-24 Improvements to drawing devices

Country Status (1)

Country Link
FR (1) FR512304A (en)

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