US2848669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servosystem with disc type servomotor
Assignee: Simmonds Aerocessories Inc
•
Filing: 1953-08-19
•
Granted: 1958-08-19
•
Expires: 1973-08-19
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191606A
Cited
US2075083A
Cited
US1972987A
Cited
US2237142A
Cited
US2475270A
Cited
US2604525A
Cited
US2648058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |