US2708922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for starting internal combustion engines
Assignee: California Research LLC
•
Filing: 1952-07-12
•
Granted: 1955-05-24
•
Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 George L Neely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:54
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191302252A
Cited
US1990499A
Cited
US2559605A
Cited
US2404094A
Cited
US2364356A
Cited
US2431322A
Cited
US2516787A
Cited
US2575543A
Cited
US2601211A
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 |