TREA

with linear time graduation

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  • CPC
  • G04B19/228
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Parent Industries

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS G04B19/00Indicating the time by visual means

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G04B19/228with linear time graduation
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Patents Grantslast 30 patents

  • Information Patent Grant

    Linear clock
    • Patent number 9,891,588
    • Issue date Feb 13, 2018
    • Christopher George Garcia
    • G04 - HOROLOGY
  • Information Patent Grant

    World clock with synchronous display
    • Patent number 6,275,449
    • Issue date Aug 14, 2001
    • Richard Wang
    • G04 - HOROLOGY
  • Information Patent Grant

    Linear time display
    • Patent number 6,249,486
    • Issue date Jun 19, 2001
    • Prasanna R. Chitturi
    • G04 - HOROLOGY
  • Information Patent Grant

    Linear time display
    • Patent number 6,219,307
    • Issue date Apr 17, 2001
    • Prasanna R. Chitturi
    • G04 - HOROLOGY
  • Information Patent Grant

    Time conversion clock
    • Patent number 4,972,392
    • Issue date Nov 20, 1990
    • Wang: Willington L. T.
    • G04 - HOROLOGY
  • Information Patent Grant

    3918251
    • Patent number 3,918,251
    • Issue date Nov 11, 1975
    • G04 - HOROLOGY
  • Information Patent Grant

    3316706
    • Patent number 3,316,706
    • Issue date May 2, 1967
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3226926
    • Patent number 3,226,926
    • Issue date Jan 4, 1966
    • G04 - HOROLOGY
  • Information Patent Grant

    3186158
    • Patent number 3,186,158
    • Issue date Jun 1, 1965
    • G04 - HOROLOGY
  • Information Patent Grant

    3002337
    • Patent number 3,002,337
    • Issue date Oct 3, 1961
    • G04 - HOROLOGY
  • Information Patent Grant

    2417695
    • Patent number 2,417,695
    • Issue date Mar 18, 1947
    • G04 - HOROLOGY
  • Information Patent Grant

    2299913
    • Patent number 2,299,913
    • Issue date Oct 27, 1942
    • G04 - HOROLOGY
  • Information Patent Grant

    2024066
    • Patent number 2,024,066
    • Issue date Dec 10, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    2001633
    • Patent number 2,001,633
    • Issue date May 14, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    434137
    • Patent number 434,137
    • Issue date Aug 12, 1890
    • G04 - HOROLOGY

Patents Applicationslast 30 patents