US2889850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governor for internal combustion engine
Assignee: Individual
•
Filing: 1954-12-15
•
Granted: 1959-06-09
•
Expires: 1974-12-15
Abstract
No abstract record available.
Inventors
- 👤 William C Eberline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:46
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0235; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1537943A
Cited
US1537945A
Cited
US1563378A
Cited
US1610499A
Cited
US1659704A
Cited
US2224216A
Cited
US2353143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |