Patent US2691268A successfully refreshed from Google Patents.
US2691268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel and speed control apparatus for internal-combustion engines
Assignee: Niles Bement Pond Co
•
Filing: 1949-01-14
•
Granted: 1954-10-12
•
Expires: 1969-01-14
Abstract
No abstract record available.
Inventors
- 👤 Augustin M Prentiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:54
CPC Classifications
F; F02; F02K; F02K3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2219994A
Cited
US2341257A
Cited
US2224472A
Cited
US2422808A
Cited
US2469678A
Cited
GB603884A
Cited
US2470382A
Cited
US2531780A
Cited
US2604756A
Cited
US2581276A
Cited
US2622393A
Cited
US2573724A
Cited
US2515074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |