Patent CH385451A successfully refreshed from Google Patents.
Patent US3202848A successfully refreshed from Google Patents.
US3202848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning fork frequency adjuster
Assignee: Bulova Watch Co Inc
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Filing: 1963-08-19
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Granted: 1965-08-24
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Expires: 1983-08-19
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 18:11
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 |