TREA

with adjustable depth of dipping

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Industry

  • CPC
  • B43L25/001
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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 B43L25/00Ink receptacles

Current Industry

B43L25/001with adjustable depth of dipping
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2386406
    • Patent number 2,386,406
    • Issue date Oct 9, 1945
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2088939
    • Patent number 2,088,939
    • Issue date Aug 3, 1937
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1981281
    • Patent number 1,981,281
    • Issue date Nov 20, 1934
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    1806804
    • Patent number 1,806,804
    • Issue date May 26, 1931
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES