FR1495005A - Drawing instrument for drawing ellipses - Google Patents
Drawing instrument for drawing ellipsesInfo
- Publication number
- FR1495005A FR1495005A FR72314A FR72314A FR1495005A FR 1495005 A FR1495005 A FR 1495005A FR 72314 A FR72314 A FR 72314A FR 72314 A FR72314 A FR 72314A FR 1495005 A FR1495005 A FR 1495005A
- Authority
- FR
- France
- Prior art keywords
- ellipses
- instrument
- drawing instrument
- drawing ellipses
- 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
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
- B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR72314A FR1495005A (en) | 1966-08-05 | 1966-08-05 | Drawing instrument for drawing ellipses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR72314A FR1495005A (en) | 1966-08-05 | 1966-08-05 | Drawing instrument for drawing ellipses |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1495005A true FR1495005A (en) | 1967-09-15 |
Family
ID=8615004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR72314A Expired FR1495005A (en) | 1966-08-05 | 1966-08-05 | Drawing instrument for drawing ellipses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1495005A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4166320A (en) * | 1977-02-21 | 1979-09-04 | Pierre Magnat | Apparatus for tracing ellipses |
-
1966
- 1966-08-05 FR FR72314A patent/FR1495005A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4166320A (en) * | 1977-02-21 | 1979-09-04 | Pierre Magnat | Apparatus for tracing ellipses |
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