GB8923805D0 - Apparatus for describing a curve - Google Patents

Apparatus for describing a curve

Info

Publication number
GB8923805D0
GB8923805D0 GB898923805A GB8923805A GB8923805D0 GB 8923805 D0 GB8923805 D0 GB 8923805D0 GB 898923805 A GB898923805 A GB 898923805A GB 8923805 A GB8923805 A GB 8923805A GB 8923805 D0 GB8923805 D0 GB 8923805D0
Authority
GB
United Kingdom
Prior art keywords
describing
curve
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.)
Withdrawn
Application number
GB898923805A
Other versions
GB2226530A (en
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.)
FITCH PETER J
Original Assignee
FITCH PETER J
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 FITCH PETER J filed Critical FITCH PETER J
Publication of GB8923805D0 publication Critical patent/GB8923805D0/en
Publication of GB2226530A publication Critical patent/GB2226530A/en
Withdrawn legal-status Critical Current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
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides
GB8923805A 1988-10-21 1989-10-23 Apparatus for describing an elliptical curve Withdrawn GB2226530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888825034A GB8825034D0 (en) 1988-10-21 1988-10-21 Apparatus for describing curve

Publications (2)

Publication Number Publication Date
GB8923805D0 true GB8923805D0 (en) 1989-12-13
GB2226530A GB2226530A (en) 1990-07-04

Family

ID=10645804

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888825034A Pending GB8825034D0 (en) 1988-10-21 1988-10-21 Apparatus for describing curve
GB8923805A Withdrawn GB2226530A (en) 1988-10-21 1989-10-23 Apparatus for describing an elliptical curve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888825034A Pending GB8825034D0 (en) 1988-10-21 1988-10-21 Apparatus for describing curve

Country Status (1)

Country Link
GB (2) GB8825034D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5555631A (en) * 1995-01-17 1996-09-17 Houston; Daniel J. Ellipse Scribe
CN108785015A (en) * 2018-06-06 2018-11-13 江苏大学 Upper limb elliptic motion rehabilitation machines

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB590749A (en) * 1946-05-11 1947-07-28 William Hugh Jones Apparatus for drawing an ellipse
GB260068A (en) * 1925-08-13 1926-10-28 William Thompson Improvements in drawing instruments
NL22446C (en) * 1928-09-24
GB662997A (en) * 1949-05-30 1951-12-12 Mollart Engineering Company Lt Improvements in or relating to devices for drawing ellipses
GB1249173A (en) * 1968-05-07 1971-10-06 George Brown An ellipse drawing instrument
GB1294470A (en) * 1968-11-22 1972-10-25 Claude Neon Lights S A Ltd Ellipsograph
US4148144A (en) * 1978-05-04 1979-04-10 Ron L. Norman Oval compass
GB2218051A (en) * 1988-04-08 1989-11-08 Gregory Skilbeck Ellipse drawing device
GB2217657A (en) * 1988-04-22 1989-11-01 Howard Rowe Figure generating device

Also Published As

Publication number Publication date
GB8825034D0 (en) 1988-11-30
GB2226530A (en) 1990-07-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)