TREA

Plural non-adjustable straightedges forming non-right angles

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  • CPC
  • B43L7/033
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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 B43L7/00Straightedges

Current Industry

B43L7/033Plural non-adjustable straightedges forming non-right angles
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Triangle quilting template
    • Patent number 11,142,866
    • Issue date Oct 12, 2021
    • Keril Rieger
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Triangle ruler capable of measuring angles
    • Patent number 9,180,725
    • Issue date Nov 10, 2015
    • Kun-Meng Lin
    • 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

    Carpentry marking tool
    • Patent number 7,513,049
    • Issue date Apr 7, 2009
    • Gary E. Williams
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    One piece centering ruler
    • Patent number 7,216,438
    • Issue date May 15, 2007
    • James MacDougal Rice
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Duct joint layout tool
    • Patent number 7,073,240
    • Issue date Jul 11, 2006
    • Dwayne K. Eberly
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Combination layout tool
    • Patent number 6,918,189
    • Issue date Jul 19, 2005
    • Keith McBrayer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Austin triangle
    • Patent number 6,553,678
    • Issue date Apr 29, 2003
    • Kenneth H Austin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Quilting tool
    • Patent number 6,276,070
    • Issue date Aug 21, 2001
    • Lazy Girl Designs, LLC
    • Joan Hawley
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Woodworking square having multiple uses
    • Patent number 5,349,758
    • Issue date Sep 27, 1994
    • Michael Bear
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Angle drafting set
    • Patent number 4,974,330
    • Issue date Dec 4, 1990
    • Paul B. Covert
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2247362
    • Patent number 2,247,362
    • Issue date Jul 1, 1941
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    STAFF STENCIL AND METHOD OF USE
    • Publication number 20220005445
    • Publication date Jan 6, 2022
    • Brittany Shoup
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    MULTIPURPOSE DRAWING TOOL
    • Publication number 20200108654
    • Publication date Apr 9, 2020
    • William Gates
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    TRIANGLE QUILTING TEMPLATE
    • Publication number 20200056324
    • Publication date Feb 20, 2020
    • Keril Rieger
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    TRIANGLE RULER CAPABLE OF MEASURING ANGLES
    • Publication number 20150033568
    • Publication date Feb 5, 2015
    • Kun-Meng Lin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Carpentry marking tool
    • Publication number 20080163501
    • Publication date Jul 10, 2008
    • Gary E. Williams
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    One piece centering ruler
    • Publication number 20060168836
    • Publication date Aug 3, 2006
    • James MacDougal Rice
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Duct joint layout tool
    • Publication number 20050283977
    • Publication date Dec 29, 2005
    • Dwayne K. Eberly
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES