US3100278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic pendulum drive
Assignee: Individual
•
Filing: 1959-01-06
•
Granted: 1963-08-06
•
Expires: 1979-01-06
Abstract
No abstract record available.
Inventors
- 👤 Reich Robert Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:24
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/02; G04C3/027; G04C3/0278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IMPELLING SYSTEM FOR A CLOCK COMPRISING IN COMBINATION: A TRANSISTOR OSCILLATOR INCLUDING TWO COILS DISPOSED FOR MUTUAL INDUCTIVE COUPLING; STATIONARY MEANS DISPOSED BETWEEN SAID TWO COILS FOR DECOUPLING THEM; AND A MECHANICAL OSCILLATOR INCLUDING A PERMANENT MAGNET WITH ONE POLE THEREOF OSCILLATING IN THE VICINITY OF SAID COILS SO AS TO TEMPORARILY COUPLE THEM THUS OVERRIDING THE EFFECT OF SAID DECOUPLING MEANS.
Claim 2
Dependent Claim
62 words
IMPELLING SYSTEM FOR A CLOCK COMPRISING IN COMBINATION: A TRANSISTOR OSCILLATOR INCLUDING TWO COILS DISPOSED FOR MUTUAL INDUCTIVE COUPLING; STATIONARY MEANS DISPOSED BETWEEN SAID TWO COILS FOR DECOUPLING THEM; AND A MECHANICAL OSCILLATOR INCLUDING A PERMANENT MAGNET WITH ONE POLE THEREOF OSCILLATING IN THE VICINITY OF SAID COILS SO AS TO TEMPORARILY COUPLE THEM THUS OVERRIDING THE EFFECT OF SAID DECOUPLING MEANS.
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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |