US2708918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic ignition advance
Assignee: Individual
•
Filing: 1952-04-07
•
Granted: 1955-05-24
•
Expires: 1972-04-07
Abstract
No abstract record available.
Inventors
- 👤 Richard E Caddock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:08
CPC Classifications
F; F02; F02P; F02P5/00; F02P5/04; F02P5/05; F02P5/10; F02P5/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066640A
Cited
US1328453A
Cited
US1845818A
Cited
US2084158A
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US2085817A
Cited
US2091924A
Cited
US2373685A
Cited
US2380967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |