Patent US3838536A successfully refreshed from Google Patents.
US3277643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic watch
Assignee: Individual
•
Filing: 1965-01-15
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Granted: 1966-10-11
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Expires: 1985-01-15
Abstract
No abstract record available.
Inventors
- 👤 Favre Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:50
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04B; G04B17/00; G04B17/04; G04B17/10; G04C3/101; G04C3/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN AN ELECTRONIC WATCH HAVING A MEFHANICAL TORSION OSCILLATOR, A TORSION SPRING, SAID OSCILLATOR COMPRISING AT LEAST ONE OSCILLATING ARM MOUNTED IN A PLANE PARALLEL TO THE BASE-PLATE OF SAID WATCH AND FIXED TO SAID SPRING, MAGNETIC ELEMENTS FIXED TO SAID ARM, AN ELECTRONIC CIRCUIT ADAPTED TO MAINTAIN THE OSCILLATIONS OF SAID ARM, SAID CIRCUIT COMPRISING AT LEAST ONE TRANSISTOR, AT LEAST ONE CONTROL COIL IN THE CONTROL CIRCUIT OF SAID TRANSISTOR AND AT LEAST ONE DRIVING COIL IN THE DRIVING CIRCUIT OF SAID TRANSISTOR, SAID COILS BEING ADAPTED TO CO-OPERATE WITH SAID MAGNETIC ELEMENTS, SAID COILS BEING LOCATED IN THE VICINITY OF THE CLOCKWORK CIRCUMFERENCE, SAID OSCILLATING ARM BEING PARALLEL TO THE PLANE OF THE CLOCKWORK AND EXTENDING SUBSTANTIALLY THROUGHOUT SAID CLOCKWORK IN A MEDIAN AREA THEREOF, SAID TORSION SPRING BEING AT RIGHT ANGLES TO THE BASE-PLATE IN A MEDIAN AREA OF THE CLOCKWORK, THE IMPROVEMENT CONSISTING IN SAID SPRING HAVING A LENGTH WHICH IS ONLY A FRACTION OF THAT OF THE ARM.
Claim 2
Dependent Claim
164 words
IN AN ELECTRONIC WATCH HAVING A MEFHANICAL TORSION OSCILLATOR, A TORSION SPRING, SAID OSCILLATOR COMPRISING AT LEAST ONE OSCILLATING ARM MOUNTED IN A PLANE PARALLEL TO THE BASE-PLATE OF SAID WATCH AND FIXED TO SAID SPRING, MAGNETIC ELEMENTS FIXED TO SAID ARM, AN ELECTRONIC CIRCUIT ADAPTED TO MAINTAIN THE OSCILLATIONS OF SAID ARM, SAID CIRCUIT COMPRISING AT LEAST ONE TRANSISTOR, AT LEAST ONE CONTROL COIL IN THE CONTROL CIRCUIT OF SAID TRANSISTOR AND AT LEAST ONE DRIVING COIL IN THE DRIVING CIRCUIT OF SAID TRANSISTOR, SAID COILS BEING ADAPTED TO CO-OPERATE WITH SAID MAGNETIC ELEMENTS, SAID COILS BEING LOCATED IN THE VICINITY OF THE CLOCKWORK CIRCUMFERENCE, SAID OSCILLATING ARM BEING PARALLEL TO THE PLANE OF THE CLOCKWORK AND EXTENDING SUBSTANTIALLY THROUGHOUT SAID CLOCKWORK IN A MEDIAN AREA THEREOF, SAID TORSION SPRING BEING AT RIGHT ANGLES TO THE BASE-PLATE IN A MEDIAN AREA OF THE CLOCKWORK, THE IMPROVEMENT CONSISTING IN SAID SPRING HAVING A LENGTH WHICH IS ONLY A FRACTION OF THAT OF THE ARM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |