Patent EP1034984A2 successfully refreshed from Google Patents.
Patent US2649076A successfully refreshed from Google Patents.
US2649076A
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Power-operated tool with automatic control valve system
Assignee: FCI USA LLC
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Filing: 1950-06-20
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Granted: 1953-08-18
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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 11:44
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
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References Cited (Backward Citations)
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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 |