US3215917A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically driven timing device
Assignee: Buck Instrument Co
•
Filing: 1955-06-02
•
Granted: 1965-11-02
•
Expires: 1975-06-02
Abstract
No abstract record available.
Inventors
- 👤 Willard E Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:52
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A TIMING DEVICE, A ROTARY OSCILLATABLE TIMING MEANS, AND GENERATORS MEANS ELECTROMECHANICALLY COUPLED VEYED THERETO FROM SAID TIMING MEANS AND MEANS CONNECTED TO SAID GENERATOR MEANS FOR AMPLIFYING AND TRANSMITTING THE AMPLIFIED SIGNAL IN THE FORM OF AN ELECTROMAGNETIC PULSE BACK TO SAID TIMING MEANS TO PROVIDE THE OSCILLATORY DRIVING POWER THEREFORM, SAID DEVICE INCLUDING ONLY NON-PERMANENT MAGNETIC ELEMENTS AND BEING DEVOID OF A PERMANENT MAGNET.
Claim 2
Dependent Claim
67 words
IN A TIMING DEVICE, A ROTARY OSCILLATABLE TIMING MEANS, AND GENERATORS MEANS ELECTROMECHANICALLY COUPLED VEYED THERETO FROM SAID TIMING MEANS AND MEANS CONNECTED TO SAID GENERATOR MEANS FOR AMPLIFYING AND TRANSMITTING THE AMPLIFIED SIGNAL IN THE FORM OF AN ELECTROMAGNETIC PULSE BACK TO SAID TIMING MEANS TO PROVIDE THE OSCILLATORY DRIVING POWER THEREFORM, SAID DEVICE INCLUDING ONLY NON-PERMANENT MAGNETIC ELEMENTS AND BEING DEVOID OF A PERMANENT MAGNET.
References Cited (Backward Citations)
US1560056A
Cited
US1906985A
Cited
US1971086A
Cited
US1995624A
Cited
US2015410A
Cited
US2174296A
Cited
DE701640C
Cited
US2254476A
Cited
US2472249A
Cited
US2564636A
Cited
US2652460A
Cited
FR1090564A
Cited
US2961587A
Cited
US2895095A
Cited
US2843742A
Cited
US2769946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |