TREA

for drawing spirals

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Industry

  • CPC
  • B43L11/06
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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 B43L11/00Non-circular-curve-drawing instruments

Current Industry

B43L11/06for drawing spirals
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Spiral art device
    • Patent number 10,864,766
    • Issue date Dec 15, 2020
    • Crayola, LLC
    • John D. McBride
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Design-making instrument
    • Patent number 5,134,778
    • Issue date Aug 4, 1992
    • Patrick MacCarthy
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3797119
    • Patent number 3,797,119
    • Issue date Mar 19, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3037293
    • Patent number 3,037,293
    • Issue date Jun 5, 1962
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    383697
    • Patent number 383,697
    • Issue date May 29, 1888
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Spiral Art Device
    • Publication number 20190023059
    • Publication date Jan 24, 2019
    • Crayola, LLC
    • JOHN D. McBRIDE
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES