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  • CPC
  • B43L1/02
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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 B43L1/00Repeatedly-usable boards or tablets for writing or drawing

Current Industry

B43L1/02Slates
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Framed board with writing surface
    • Patent number 4,487,586
    • Issue date Dec 11, 1984
    • Alliance Europe S.A.
    • Jos Palmans
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1595221
    • Patent number 1,595,221
    • Issue date Aug 10, 1926
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1520380
    • Patent number 1,520,380
    • Issue date Dec 23, 1924
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1512677
    • Patent number 1,512,677
    • Issue date Oct 21, 1924
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1387534
    • Patent number 1,387,534
    • Issue date Aug 16, 1921
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    722994
    • Patent number 722,994
    • Issue date Mar 17, 1903
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    693388
    • Patent number 693,388
    • Issue date Feb 18, 1902
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    632821
    • Patent number 632,821
    • Issue date Sep 12, 1899
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    574635
    • Patent number 574,635
    • Issue date Jan 5, 1897
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    552914
    • Patent number 552,914
    • Issue date Jan 14, 1896
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    546848
    • Patent number 546,848
    • Issue date Sep 24, 1895
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    320142
    • Patent number 320,142
    • Issue date Jun 16, 1885
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    308774
    • Patent number 308,774
    • Issue date Dec 2, 1884
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    289608
    • Patent number 289,608
    • Issue date Dec 4, 1883
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    278010
    • Patent number 278,010
    • Issue date May 22, 1883
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    161732
    • Patent number 161,732
    • Issue date Apr 6, 1875
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    134116
    • Patent number 134,116
    • Issue date Dec 17, 1872
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    119368
    • Patent number 119,368
    • Issue date Sep 26, 1871
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    21984
    • Patent number 21,984
    • Issue date Nov 2, 1858
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE MESSAGE BOARD
    • Publication number 20150024369
    • Publication date Jan 22, 2015
    • Damon Gabriel Brown
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Sports Organizer
    • Publication number 20150024372
    • Publication date Jan 22, 2015
    • Stephen McHugh
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PHOTO-CHROMIC LIGHT DRAWING SETS
    • Publication number 20070060013
    • Publication date Mar 15, 2007
    • Christopher B. Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PHOTO-CHROMIC TOYS
    • Publication number 20070054590
    • Publication date Mar 8, 2007
    • Christopher B. Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PHOTO-CHROMIC DOLL PLAYSETS, PHOTO-CHROMIC TOY VEHICLE PLAYSETS AND...
    • Publication number 20070054594
    • Publication date Mar 8, 2007
    • Christopher B. Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    HAND HELD ACTIVATING LIGHT SOURCES FOR PHOTO-CHROMIC TOYS
    • Publication number 20070048065
    • Publication date Mar 1, 2007
    • Christopher B. Schmidt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Phosphorescent writing system
    • Publication number 20040076460
    • Publication date Apr 22, 2004
    • Zen Design Group, Ltd.
    • Sun Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES