US2773492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel feed
Assignee: Individual
•
Filing: 1954-11-05
•
Granted: 1956-12-11
•
Expires: 1974-11-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Emil Richard Klemm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:38
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1932676A
Cited
US1942549A
Cited
US1788647A
Cited
US1884615A
Cited
US2191490A
Cited
US2120779A
Cited
US2268884A
Cited
US2253717A
Cited
US2646885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |