US2953039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine accessory drive
Assignee: Individual
•
Filing: 1959-07-17
•
Granted: 1960-09-20
•
Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Mcrae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:03
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F16; F16H; F16H15/00; F16H15/48; F16H15/56; F16H61/00; F16H61/66; F16H61/664; F16H61/6646
Claims Analysis
Total Claims: 0
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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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |