US2577835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine timing device
Assignee: Individual
•
Filing: 1945-08-04
•
Granted: 1951-12-11
•
Expires: 1965-08-04
Abstract
No abstract record available.
Inventors
- 👤 Williams George Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:28
CPC Classifications
F; F02; F02P; F02P17/00; F02P17/02; F02P17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2110196A
Cited
US668601A
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US1683710A
Cited
US1789593A
Cited
US2024314A
Cited
US2072984A
Cited
US2096803A
Cited
US2149620A
Cited
US2361462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |