US3051883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dead beat response, resonant load, control system and method
Assignee: Individual
•
Filing: 1957-03-15
•
Granted: 1962-08-28
•
Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Otto J M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2351353A
Cited
US2351079A
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US2446567A
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US2537090A
Cited
US2692358A
Cited
US2729793A
Cited
US2732520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |