TREA

with separate writing-core remnants ejecting-bar

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Industry

  • CPC
  • B43K21/10
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Parent Industries

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

Current Industry

B43K21/10with separate writing-core remnants ejecting-bar
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3713745
    • Patent number 3,713,745
    • Issue date Jan 30, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3382577
    • Patent number 3,382,577
    • Issue date May 14, 1968
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3209730
    • Patent number 3,209,730
    • Issue date Oct 5, 1965
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3101073
    • Patent number 3,101,073
    • Issue date Aug 20, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3072102
    • Patent number 3,072,102
    • Issue date Jan 8, 1963
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2173279
    • Patent number 2,173,279
    • Issue date Sep 19, 1939
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1729815
    • Patent number 1,729,815
    • Issue date Oct 1, 1929
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1583718
    • Patent number 1,583,718
    • Issue date May 4, 1926
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES