US2749844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Bendix Aviation Corp
•
Filing: 1951-11-01
•
Granted: 1956-06-12
•
Expires: 1971-11-01
Abstract
No abstract record available.
Inventors
- 👤 Charles O Weisenbach
- 👤 Jr Samuel John Pelz
- 👤 Ferdinand J Cigal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:25
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B49/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1466092A
Cited
FR571622A
Cited
US1785356A
Cited
US2299233A
Cited
US2299234A
Cited
US2288768A
Cited
US2546583A
Cited
US2517313A
Cited
US2628472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |