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with spreading spring means

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Industry

  • CPC
  • B43K24/088
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K24/00Mechanisms for selecting, projecting, retracting or locking writing units

Current Industry

B43K24/088with spreading spring means
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Writing system having magnetic writing tool and magnetic support su...
    • Patent number 12,122,180
    • Issue date Oct 22, 2024
    • SteadyScrib, LLC
    • Alexis Anne Chan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatically retractable writing instrument
    • Patent number 11,904,625
    • Issue date Feb 20, 2024
    • Paul David Ellis
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument side-knock mechanism
    • Patent number 10,843,502
    • Issue date Nov 24, 2020
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument side-knock mechanism
    • Patent number 10,525,762
    • Issue date Jan 7, 2020
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Press structure for press type stationery
    • Patent number 10,407,270
    • Issue date Sep 10, 2019
    • Hang Wu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Anti-rotation extendable eraser mechanism
    • Patent number 10,272,714
    • Issue date Apr 30, 2019
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Roller ball pen with adjustable spring tension
    • Patent number 6,428,232
    • Issue date Aug 6, 2002
    • BIC Corporation
    • Bernard J. McCauley
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractile pen
    • Patent number 6,276,855
    • Issue date Aug 21, 2001
    • Ming-Jen Hsien
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Roller ball pen with adjustable spring tension
    • Patent number 6,261,015
    • Issue date Jul 17, 2001
    • BIC Corporation
    • Bernard J. McCauley
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball-point pen
    • Patent number 4,601,599
    • Issue date Jul 22, 1986
    • Katoh Kinzoku Kogyo Kabushiki Kaisha
    • Hiroyasu Katoh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2823645
    • Patent number 2,823,645
    • Issue date Feb 18, 1958
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2802447
    • Patent number 2,802,447
    • Issue date Aug 13, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents