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US3609956A Expired / Lapsed US ⏱️ 0.0 years remaining

Numerically indicating timekeeper attached with timer and/or alarm

Assignee: Nidec Instruments Corp
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Filing: 1969-07-28
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Granted: 1971-10-05
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Expires: 1989-07-28
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Abstract

Abstract A TIMEKEEPER PROVIDED WITH A TIMER, OR ALARM, OR BOTH INDICATES TIME WITH NUMERALS ON A PLURALITY OF TIME INDICATING WHEELS. THE WHEELS ARE ROTATABLY MOUNTED ON A MAIN SHAFT EXCEPT ONE WHICH IS FIXED TO THE MAIN SHAFT. THE TIMEKEEPER INCLUDES LOCKING DISCS FORMED INTEGRALLY WITH THE TIME INDICATING WHEELS, A PLURALITY OF PINIONS FREELY ROTATABLE AROUND A SEPARATE SHAFT, A TIME SETTING WHEEL AND A CAM PLATE ENGAGEABLE THEREWITH AFTER A PRESET TIME, A TIME ADJUSTING KNOB ALSO OPERABLE FOR SETTING TIME ON THE TIME SETTING WHEEL, A CONTROL KNOB COOPERATING WITH A CONTROL LEVER, AND A SPRING PLATE DISENGAGING ONE ARM OF THE CONTROL LEVER FOR OPERATING A TIMER SWITCH AND ALSO AN ALARM AT A PRESET TIME. THE TIMEKEEPER IN ANOTHER ASPECT OF THE INVENTION IS FURTHER PROVIDED WITH ANOTHER CONTROL LEVER WHICH IS OPERATED BY A CAM WHEEL ROTATABLE BY THE TIME ADJUSTING KNOB, WHEREBY THE DURATION OF AN "AUTO" PERIOD MAY BE DETERMINED BY THE ADJUSTING KNOB.

Inventors

  • 👤 Takashi Funaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:20
CPC Classifications
G; G04; G04C; G04C17/00; G04C17/0075; G04C21/00; G04C21/16; G04C21/18; G04C23/00; G04C23/14; G04C23/16; G04F; G04F3/00; G04F3/06; G04F3/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-04 1975-04-05 1975-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-04 1979-04-05 1979-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-04 1983-04-05 1983-10-05 $7700.00 Window Closed / Lapsed

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