US2649076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated tool with automatic control valve system
Assignee: FCI USA LLC
•
Filing: 1950-06-20
•
Granted: 1953-08-18
•
Expires: 1970-06-20
Abstract
No abstract record available.
Inventors
- 👤 Dupre Henry Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:42
CPC Classifications
F; F01; F01B; F01B17/00; F01B17/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86477
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US944485A
Cited
US1158717A
Cited
US1072267A
Cited
US1264168A
Cited
US1609273A
Cited
US1804805A
Cited
US1884179A
Cited
US2140059A
Cited
US2222141A
Cited
US2246379A
Cited
US2362864A
Cited
US2415326A
Cited
US2433719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |