US3274837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Individual
•
Filing: 1962-06-01
•
Granted: 1966-09-27
•
Expires: 1982-06-01
Abstract
No abstract record available.
Inventors
- 👤 Ralph V Fenton
- 👤 William H Isely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/06; G01C19/08; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
AN IMPROVEMENT IN GYROSCOPIC MEANS COMPRISING: A POLYPHASE HYSTERESIS SPIN MOTOR; MEANS FOR ENERGIZING SAID MOTOR; MEANS FOR PERIODICALLY INTERRUPTING ONE PHASE OF SAID MOTOR; AND MEANS COUNTERACTING THE EFFECTS ON
Claim 2
Dependent Claim
31 words
AN IMPROVEMENT IN GYROSCOPIC MEANS COMPRISING: A POLYPHASE HYSTERESIS SPIN MOTOR; MEANS FOR ENERGIZING SAID MOTOR; MEANS FOR PERIODICALLY INTERRUPTING ONE PHASE OF SAID MOTOR; AND MEANS COUNTERACTING THE EFFECTS ON
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |