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  • CPC
  • B43K21/14
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K21/00Propelling pencils

Current Industry

B43K21/14with writing-cores automatically replaced from magazines
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Offset pen structure
    • Patent number 6,893,178
    • Issue date May 17, 2005
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 4,299,506
    • Issue date Nov 10, 1981
    • Pentel Kabushiki Kaisha
    • Junichi Hashimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3594090
    • Patent number 3,594,090
    • Issue date Jul 20, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2774331
    • Patent number 2,774,331
    • Issue date Dec 18, 1956
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2532791
    • Patent number 2,532,791
    • Issue date Dec 5, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2511243
    • Patent number 2,511,243
    • Issue date Jun 13, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2506917
    • Patent number 2,506,917
    • Issue date May 9, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2504420
    • Patent number 2,504,420
    • Issue date Apr 18, 1950
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2458739
    • Patent number 2,458,739
    • Issue date Jan 11, 1949
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2418854
    • Patent number 2,418,854
    • Issue date Apr 15, 1947
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2412265
    • Patent number 2,412,265
    • Issue date Dec 10, 1946
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2306494
    • Patent number 2,306,494
    • Issue date Dec 29, 1942
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2245805
    • Patent number 2,245,805
    • Issue date Jun 17, 1941
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2207810
    • Patent number 2,207,810
    • Issue date Jul 16, 1940
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2184529
    • Patent number 2,184,529
    • Issue date Dec 26, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2184528
    • Patent number 2,184,528
    • Issue date Dec 26, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2184863
    • Patent number 2,184,863
    • Issue date Dec 26, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2184527
    • Patent number 2,184,527
    • Issue date Dec 26, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2179950
    • Patent number 2,179,950
    • Issue date Nov 14, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2178803
    • Patent number 2,178,803
    • Issue date Nov 7, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2177839
    • Patent number 2,177,839
    • Issue date Oct 31, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2085663
    • Patent number 2,085,663
    • Issue date Jun 29, 1937
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2074632
    • Patent number 2,074,632
    • Issue date Mar 23, 1937
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2072922
    • Patent number 2,072,922
    • Issue date Mar 9, 1937
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2056143
    • Patent number 2,056,143
    • Issue date Sep 29, 1936
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2039466
    • Patent number 2,039,466
    • Issue date May 5, 1936
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2030025
    • Patent number 2,030,025
    • Issue date Feb 4, 1936
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2021657
    • Patent number 2,021,657
    • Issue date Nov 19, 1935
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1967484
    • Patent number 1,967,484
    • Issue date Jul 24, 1934
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1959226
    • Patent number 1,959,226
    • Issue date May 15, 1934
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    WRITING INSTRUMENT OR APPLICATOR HAVING RESIN MOLDED PARTS
    • Publication number 20150063893
    • Publication date Mar 5, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kei Oomoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Offset pen structure
    • Publication number 20040076461
    • Publication date Apr 22, 2004
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES