Patent US4673880A successfully refreshed from Google Patents.
US2897677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine starter
Assignee: Individual
•
Filing: 1956-05-18
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Granted: 1959-08-04
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Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:56
CPC Classifications
F; F02; F02B; F02B67/00; F02N; F02N15/00; F02N15/006; F02N15/02; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/138; Y10T74/18; Y10T74/18056; Y10T74/1816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319066A
Cited
US1254320A
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US1997571A
Cited
US1882088A
Cited
US2292536A
Cited
FR895706A
Cited
GB657784A
Cited
US2760377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |