TREA

Ink receptacles with solid ink; Non reversable receptacles

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Industry

  • CPC
  • B43L25/004
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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

B43L25/004Ink receptacles with solid ink; Non reversable receptacles
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    1390266
    • Patent number 1,390,266
    • Issue date Sep 13, 1921
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES