TREA

for components of the means protecting the mechanism from external influences

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Industry

  • CPC
  • G04D3/029
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Parent Industries

GPHYSICS G04Horology G04DAPPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES G04D3/00Watchmakers' or watch-repairers' machines or tools for working materials

Current Industry

G04D3/029for components of the means protecting the mechanism from external influences
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for fabricating a watch case
    • Patent number 4,382,172
    • Issue date May 3, 1983
    • Citizen Watch Co., Ltd.
    • Tsuneji Takasugi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3101637
    • Patent number 3,101,637
    • Issue date Aug 27, 1963
    • G04 - HOROLOGY
  • Information Patent Grant

    2449791
    • Patent number 2,449,791
    • Issue date Sep 21, 1948
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1520594
    • Patent number 1,520,594
    • Issue date Dec 23, 1924
    • G04 - HOROLOGY