US3532955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse command-pulse feedback phase comparison circuit for a servo system
Assignee: Bendix Corp
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Filing: 1967-08-28
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Granted: 1970-10-06
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Expires: 1987-08-28
Abstract
No abstract record available.
Inventors
- 👤 Hubert B Henegar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:31
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/21; G05B19/25; G05B19/251; G05B19/253
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3258667A
Cited
US2983872A
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US3011110A
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US2943248A
Cited
US3320501A
Cited
US3175138A
Cited
US3374359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |