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adjustable for several preselected times with automatic stopping of the signal

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  • CPC
  • G04B23/06
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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 G04B23/00Arrangements producing acoustic signals at preselected times

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G04B23/06adjustable for several preselected times with automatic stopping of the signal
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Patents Grantslast 30 patents

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    • Blancpain S.A.
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    • G04 - HOROLOGY
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    • Ricoh Company, Limited
    • Toru Harada
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    3316710
    • Patent number 3,316,710
    • Issue date May 2, 1967
    • G04 - HOROLOGY
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    3316707
    • Patent number 3,316,707
    • Issue date May 2, 1967
    • G04 - HOROLOGY
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    3192699
    • Patent number 3,192,699
    • Issue date Jul 6, 1965
    • G04 - HOROLOGY
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    2789410
    • Patent number 2,789,410
    • Issue date Apr 23, 1957
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    • Issue date Aug 19, 1952
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    • Patent number 2,538,161
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    • G04 - HOROLOGY
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    2467925
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    • Patent number 2,460,486
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    2309844
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    • Patent number 2,024,857
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    • G04 - HOROLOGY
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    1928040
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    1180780
    • Patent number 1,180,780
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    • Patent number 1,175,754
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    1140631
    • Patent number 1,140,631
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Patents Applicationslast 30 patents