US3124730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thoma
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:17
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/02; G04C3/027; G04C3/0278; G04C3/04; G04C3/06; G04C3/065; G04F; G04F5/00; G04F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A BATTERY-OPERATED GENERATOR FOR WATCHES, CLOCKS AND OTHER CONSTANT-SPEED APPARATUS, COMPRISING A MAGNETIC MEMBER AND CIRCUIT MEANS COOPERABLY DISPOSED FOR PERIODIC REPETITIVE MOVEMENT RELATIVE TO EACH OTHER, SAID CIRCUIT MEANS HAVING AN INPUT CIRCUIT, AN OUTPUT CIRCUIT AND FEEDBACK MEANS, SAID FEEDBACK MEANS COMPRISING A FIRST COIL CONNECTED IN THE INPUT CIRCUIT OF SAID CIRCUIT MEANS, AND A SECOND COIL INDUCTIVELY COUPLED TO THE FIRST COIL AND CONNECTED IN THE OUTPUT CIRCUIT OF SAID CIRCUIT MEANS, OPERATIVE TO GENERATE A BURST OF PULSES OF RELATIVELY HIGH FREQUENCY COMPARED TO THE FREQUENCY OF SAID PERIODIC MOVEMENT, RESPONSIVE TO EACH PERIOD OF SAID RELATIVE MOVEMENT BETWEEN THE MAGNETIC MEMBER AND THE
Claim 2
Dependent Claim
109 words
A BATTERY-OPERATED GENERATOR FOR WATCHES, CLOCKS AND OTHER CONSTANT-SPEED APPARATUS, COMPRISING A MAGNETIC MEMBER AND CIRCUIT MEANS COOPERABLY DISPOSED FOR PERIODIC REPETITIVE MOVEMENT RELATIVE TO EACH OTHER, SAID CIRCUIT MEANS HAVING AN INPUT CIRCUIT, AN OUTPUT CIRCUIT AND FEEDBACK MEANS, SAID FEEDBACK MEANS COMPRISING A FIRST COIL CONNECTED IN THE INPUT CIRCUIT OF SAID CIRCUIT MEANS, AND A SECOND COIL INDUCTIVELY COUPLED TO THE FIRST COIL AND CONNECTED IN THE OUTPUT CIRCUIT OF SAID CIRCUIT MEANS, OPERATIVE TO GENERATE A BURST OF PULSES OF RELATIVELY HIGH FREQUENCY COMPARED TO THE FREQUENCY OF SAID PERIODIC MOVEMENT, RESPONSIVE TO EACH PERIOD OF SAID RELATIVE MOVEMENT BETWEEN THE MAGNETIC MEMBER AND THE
References Cited (Backward Citations)
GB746465A
Cited
US2852243A
Cited
US2843742A
Cited
US2962643A
Cited
FR1153306A
Cited
US2785356A
Cited
US2986683A
Cited
US2957116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |