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US3202848A Expired / Lapsed US ⏱️ 0.0 years remaining

Tuning fork frequency adjuster

Assignee: Bulova Watch Co Inc
•
Filing: 1963-08-19
•
Granted: 1965-08-24
•
Expires: 1983-08-19
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Abstract

No abstract record available.

Inventors

  • 👤 William O Bennett
  • 👤 William W Mutter
  • 👤 Egbert Van Haaften

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 17:53
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04C3/101; G04C3/107

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 94 words
AN ELECTROMAGNETICALLY-ACTUATED VIBRATORY COMPRISING A TUNING FORK HAVING A PAIR OF TINES, AND MEANS FOR ACTUATING SAID FORK INCLUDING A TRANSDUCER CONSTITUTED BY A MAGNETIC ELEMENT ATTACHED TO ONE OF SAID TINES AND FORMED BY A CYLINDRICAL CUP HAVING A MAGNETIC ROD SUPPORTED COAXIALLY THEREIN, A FREQUENCY REGULATOR FOR SAID TINE CONSTITUTED BY A SPRING CLIP HAVING A PAIR OF FINGERS CLAMPING A RIVET ATTACHED TO THE BASE OF SAID CUP AND PIVOTABLE THEREON, SAID CLIP HAVING A TOOTHED BRIDGE PORTION WHICH WHEN ANGULARLY DISPLACED EFFECTIVELY SHIFTS THE CENTER OF GRAVITY OF SAID ELEMENT.
Claim 2
Dependent Claim 94 words
AN ELECTROMAGNETICALLY-ACTUATED VIBRATORY COMPRISING A TUNING FORK HAVING A PAIR OF TINES, AND MEANS FOR ACTUATING SAID FORK INCLUDING A TRANSDUCER CONSTITUTED BY A MAGNETIC ELEMENT ATTACHED TO ONE OF SAID TINES AND FORMED BY A CYLINDRICAL CUP HAVING A MAGNETIC ROD SUPPORTED COAXIALLY THEREIN, A FREQUENCY REGULATOR FOR SAID TINE CONSTITUTED BY A SPRING CLIP HAVING A PAIR OF FINGERS CLAMPING A RIVET ATTACHED TO THE BASE OF SAID CUP AND PIVOTABLE THEREON, SAID CLIP HAVING A TOOTHED BRIDGE PORTION WHICH WHEN ANGULARLY DISPLACED EFFECTIVELY SHIFTS THE CENTER OF GRAVITY OF SAID ELEMENT.

References Cited (Backward Citations)

US3070951A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-23 1969-02-22 1969-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-23 1973-02-22 1973-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-23 1977-02-22 1977-08-24 $7700.00 Window Closed / Lapsed

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