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Adjustable curve rulers

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  • CPC
  • B43L13/22
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L13/00Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for

Current Industry

B43L13/22Adjustable curve rulers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Scalable rules capable of creating size-adjustable circles, arcs, a...
    • Patent number 9,772,172
    • Issue date Sep 26, 2017
    • Frank Pinal
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Template for cutting quilting fabrics
    • Patent number 8,499,470
    • Issue date Aug 6, 2013
    • Richard William Hilton
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Parking scale
    • Patent number 4,951,397
    • Issue date Aug 28, 1990
    • Charles K. Durio
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Adjustable radial curve radius setting scale
    • Patent number 4,628,610
    • Issue date Dec 16, 1986
    • Richard R. Spinning
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Adjustable radial curve radius setting scale
    • Patent number 4,587,740
    • Issue date May 13, 1986
    • Richard R. Spinning
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drawing implement
    • Patent number 4,539,757
    • Issue date Sep 10, 1985
    • Shiang C. Shyu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Adjustable radial curve
    • Patent number 4,532,714
    • Issue date Aug 6, 1985
    • Richard R. Spinning
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Guide rule for automobile moulding or the like
    • Patent number 4,291,467
    • Issue date Sep 29, 1981
    • William L. Shultz
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Adjustable template for sewing device
    • Patent number 4,150,489
    • Issue date Apr 24, 1979
    • Kochs Adler AG
    • Hans Scholl
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Kit of parts for forming a curved member, and curved member formed...
    • Patent number 4,080,742
    • Issue date Mar 28, 1978
    • James L. Osterried
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Adjustable drawing sweep
    • Patent number 3,935,641
    • Issue date Feb 3, 1976
    • Thomas P. Douglas
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3878616
    • Patent number 3,878,616
    • Issue date Apr 22, 1975
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3724083
    • Patent number 3,724,083
    • Issue date Apr 3, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3610771
    • Patent number 3,610,771
    • Issue date Oct 5, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3526965
    • Patent number 3,526,965
    • Issue date Sep 8, 1970
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3388475
    • Patent number 3,388,475
    • Issue date Jun 18, 1968
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3299519
    • Patent number 3,299,519
    • Issue date Jan 24, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3225449
    • Patent number 3,225,449
    • Issue date Dec 28, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3134176
    • Patent number 3,134,176
    • Issue date May 26, 1964
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3107434
    • Patent number 3,107,434
    • Issue date Oct 22, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2923066
    • Patent number 2,923,066
    • Issue date Feb 2, 1960
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2879603
    • Patent number 2,879,603
    • Issue date Mar 31, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2798299
    • Patent number 2,798,299
    • Issue date Jul 9, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2790245
    • Patent number 2,790,245
    • Issue date Apr 30, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2785472
    • Patent number 2,785,472
    • Issue date Mar 19, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2704893
    • Patent number 2,704,893
    • Issue date Mar 29, 1955
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2671967
    • Patent number 2,671,967
    • Issue date Mar 16, 1954
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2615257
    • Patent number 2,615,257
    • Issue date Oct 28, 1952
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2583334
    • Patent number 2,583,334
    • Issue date Jan 22, 1952
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2522030
    • Patent number 2,522,030
    • Issue date Sep 12, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents