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US3328952A Expired / Lapsed US ⏱️ 0.0 years remaining

Alarm clock

Assignee: General Electric Co
•
Filing: 1965-08-19
•
Granted: 1967-07-04
•
Expires: 1985-08-19
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Abstract

No abstract record available.

Inventors

  • 👤 Donald W Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 08:22
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/16; G04B; G04B23/00; G04B23/02; G04B23/026; G04B23/03; G04B23/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 266 words
AN ALARM CLOCK COMPRISING: (A) A BASE PLATE; (B) SPRING SUPPORT MEANS CONNECTED TO SAID BASE PLATE; (C) A TIMING MECHANISM INCLUDING A DRIVING GEAR MOUNTED FOR ROTATION BETWEEN SAID FRONT PLATE AND SAID BASE PLATE; (D) A CAM LEVER PIVOTALLY MOUNTED ON SAID BASE PLATE TO ROTATE ABOUT AN AXIS GENERALLY PERPENDICULAR TO SAID BASE PLATE, SAID LEVER INCLUDING A SPRING SUPPORT LUG ARRANGED GENERALLY PARALLEL TO SAID SPRING SUPPORT MEANS; (E) A SINGLE WIRE BOW SPRING, SAID SPRING BEING FORMED WITH A BOWED CENTRAL PORTION AND TWO GENERALLY U-SHAPED END PORTIONS, ONE OF SAID END PORTIONS BEING POSITIONED OVER SAID SPRING SUPPORT MEANS AND THE OTHER END PORTION BEING POSITIONED OVER SAID SPRING SUPPORT LUG SO THAT SAID SPRING IS PLACED UNDER COMPRESSION TO APPLY A RESILIENT FORCE AGAINST SAID SPRING SUPPORT LUG AND SAID CAM LEVER IN A DIRECTION EXTENDING RADIALLY OUTWARD FROM THE PIVOT AXIS OF SAID CAM LEVER; (F) TRIGGER PLATE MEANS INTEGRALLY FORMED ON SAID CAM LEVER; (G) ROTATABLY MOUNTED ACTUATOR MEANS INCLUDING AN INTEGRALLY FORMED DRIVEN GEAR AND A PLURALITY OF RADIALLY EXTENDING ARMS POSITIONED TO SEQUENTIALLY CONTACT SAID TRIGGER PLATE TO PIVOT SAID CAM LEVER ARM IN A FIRST DIRECTION AGAINST THE FORCE OF SAID SPRING MEANS AND THEREAFTER RELEASE SAID CAM LEVER, SAID TIMING MECHANISM DRIVING GEAR BEING ARRANGED TO ROTATE SAID DRIVEN GEAR; (H) HAMMER MEANS ON SAID CAM LEVER; (I) A BELL POSITIONED TO BE STRUCK BY SAID HAMMER MEANS WHEN SAID CAM LEVER IS RELEASED BY EACH OF SAID RADIALLY EXTENDING ARMS, SAID WIRE BOW SPRING RESILIENTLY FORCING SAID HAMMER PORTION AGAINST SAID BELL.
Claim 2
Dependent Claim 266 words
AN ALARM CLOCK COMPRISING: (A) A BASE PLATE; (B) SPRING SUPPORT MEANS CONNECTED TO SAID BASE PLATE; (C) A TIMING MECHANISM INCLUDING A DRIVING GEAR MOUNTED FOR ROTATION BETWEEN SAID FRONT PLATE AND SAID BASE PLATE; (D) A CAM LEVER PIVOTALLY MOUNTED ON SAID BASE PLATE TO ROTATE ABOUT AN AXIS GENERALLY PERPENDICULAR TO SAID BASE PLATE, SAID LEVER INCLUDING A SPRING SUPPORT LUG ARRANGED GENERALLY PARALLEL TO SAID SPRING SUPPORT MEANS; (E) A SINGLE WIRE BOW SPRING, SAID SPRING BEING FORMED WITH A BOWED CENTRAL PORTION AND TWO GENERALLY U-SHAPED END PORTIONS, ONE OF SAID END PORTIONS BEING POSITIONED OVER SAID SPRING SUPPORT MEANS AND THE OTHER END PORTION BEING POSITIONED OVER SAID SPRING SUPPORT LUG SO THAT SAID SPRING IS PLACED UNDER COMPRESSION TO APPLY A RESILIENT FORCE AGAINST SAID SPRING SUPPORT LUG AND SAID CAM LEVER IN A DIRECTION EXTENDING RADIALLY OUTWARD FROM THE PIVOT AXIS OF SAID CAM LEVER; (F) TRIGGER PLATE MEANS INTEGRALLY FORMED ON SAID CAM LEVER; (G) ROTATABLY MOUNTED ACTUATOR MEANS INCLUDING AN INTEGRALLY FORMED DRIVEN GEAR AND A PLURALITY OF RADIALLY EXTENDING ARMS POSITIONED TO SEQUENTIALLY CONTACT SAID TRIGGER PLATE TO PIVOT SAID CAM LEVER ARM IN A FIRST DIRECTION AGAINST THE FORCE OF SAID SPRING MEANS AND THEREAFTER RELEASE SAID CAM LEVER, SAID TIMING MECHANISM DRIVING GEAR BEING ARRANGED TO ROTATE SAID DRIVEN GEAR; (H) HAMMER MEANS ON SAID CAM LEVER; (I) A BELL POSITIONED TO BE STRUCK BY SAID HAMMER MEANS WHEN SAID CAM LEVER IS RELEASED BY EACH OF SAID RADIALLY EXTENDING ARMS, SAID WIRE BOW SPRING RESILIENTLY FORCING SAID HAMMER PORTION AGAINST SAID BELL.

References Cited (Backward Citations)

US72791A Cited
US574182A Cited
US1907919A Cited
US2006758A Cited
US2586642A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-03 1971-01-02 1971-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-03 1975-01-02 1975-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-03 1979-01-02 1979-07-04 $7700.00 Window Closed / Lapsed

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