US2161507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel feeding device for internal combustion engines
Assignee: Individual
•
Filing: 1937-09-04
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Granted: 1939-06-06
•
Expires: 1957-09-04
Abstract
No abstract record available.
Inventors
- 👤 Egersdorfer Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:19
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/02; F02M41/06; F02M69/00; F02M69/46; F02M69/50; F02M2700/00; F02M2700/05; F02M2700/055; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86171; Y10T137/86493; Y10T137/86501; Y10T137/86911; Y10T137/87096; Y10T137/877; Y10T137/87909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-06-05 | 1942-12-05 | 1943-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-05 | 1946-12-05 | 1947-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-05 | 1950-12-05 | 1951-06-06 | $7700.00 | Window Closed / Lapsed |