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FR466455A - Appareil ellipsographe - Google Patents

Appareil ellipsographe

Info

Publication number
FR466455A
FR466455A FR466455DA FR466455A FR 466455 A FR466455 A FR 466455A FR 466455D A FR466455D A FR 466455DA FR 466455 A FR466455 A FR 466455A
Authority
FR
France
Prior art keywords
ellipsograph
ellipsograph device
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
Other languages
English (en)
Inventor
Henri-Joseph-Marie Gravier
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.)
HENRI-JOSEPH-MARIE GRAVIER
Original Assignee
HENRI-JOSEPH-MARIE GRAVIER
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 HENRI-JOSEPH-MARIE GRAVIER filed Critical HENRI-JOSEPH-MARIE GRAVIER
Application granted granted Critical
Publication of FR466455A publication Critical patent/FR466455A/fr
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
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements
FR466455D 1913-12-22 1913-12-22 Appareil ellipsographe Expired FR466455A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR466455T 1913-12-22

Publications (1)

Publication Number Publication Date
FR466455A true FR466455A (fr) 1914-05-14

Family

ID=1505220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR466455D Expired FR466455A (fr) 1913-12-22 1913-12-22 Appareil ellipsographe

Country Status (1)

Country Link
FR (1) FR466455A (fr)

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