US2662298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel valve timing gauge
Assignee: Individual
•
Filing: 1952-06-14
•
Granted: 1953-12-15
•
Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Unus P Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:47
CPC Classifications
F; F02; F02M; F02M65/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1502118A
Cited
US1485429A
Cited
US1495887A
Cited
US1558294A
Cited
US1654319A
Cited
FR711244A
Cited
US2278710A
Cited
US2474294A
Cited
US2471746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |