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  • CPC
  • B43K1/04
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K1/00Nibs Writing-points

Current Industry

B43K1/04with broadened tips
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Two side writing fountain pen
    • Patent number 8,684,618
    • Issue date Apr 1, 2014
    • Yee-Shang Lai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 5,775,828
    • Issue date Jul 7, 1998
    • Kabushiki Kaisha Pilot
    • Yasuo Ikeda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2796047
    • Patent number 2,796,047
    • Issue date Jun 18, 1957
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2590243
    • Patent number 2,590,243
    • Issue date Mar 25, 1952
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2273702
    • Patent number 2,273,702
    • Issue date Feb 17, 1942
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2217657
    • Patent number 2,217,657
    • Issue date Oct 15, 1940
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2202304
    • Patent number 2,202,304
    • Issue date May 28, 1940
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2071985
    • Patent number 2,071,985
    • Issue date Feb 23, 1937
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1982546
    • Patent number 1,982,546
    • Issue date Nov 27, 1934
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1951848
    • Patent number 1,951,848
    • Issue date Mar 20, 1934
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1844384
    • Patent number 1,844,384
    • Issue date Feb 9, 1932
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1832077
    • Patent number 1,832,077
    • Issue date Nov 17, 1931
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1800425
    • Patent number 1,800,425
    • Issue date Apr 14, 1931
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1788274
    • Patent number 1,788,274
    • Issue date Jan 6, 1931
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1765901
    • Patent number 1,765,901
    • Issue date Jun 24, 1930
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1747700
    • Patent number 1,747,700
    • Issue date Feb 18, 1930
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1747701
    • Patent number 1,747,701
    • Issue date Feb 18, 1930
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1654757
    • Patent number 1,654,757
    • Issue date Jan 3, 1928
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1635624
    • Patent number 1,635,624
    • Issue date Jul 12, 1927
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1629483
    • Patent number 1,629,483
    • Issue date May 24, 1927
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1624942
    • Patent number 1,624,942
    • Issue date Apr 19, 1927
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1592197
    • Patent number 1,592,197
    • Issue date Jul 13, 1926
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1381296
    • Patent number 1,381,296
    • Issue date Jun 14, 1921
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1355013
    • Patent number 1,355,013
    • Issue date Oct 5, 1920
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1305046
    • Patent number 1,305,046
    • Issue date May 27, 1919
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1287390
    • Patent number 1,287,390
    • Issue date Dec 10, 1918
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1189681
    • Patent number 1,189,681
    • Issue date Jul 4, 1916
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1172785
    • Patent number 1,172,785
    • Issue date Feb 22, 1916
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1055507
    • Patent number 1,055,507
    • Issue date Mar 11, 1913
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    874539
    • Patent number 874,539
    • Issue date Dec 24, 1907
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    TWO SIDE WRITING FOUNTAIN PEN
    • Publication number 20130322953
    • Publication date Dec 5, 2013
    • Yee-Shang LAI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES