US2695602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: Individual
•
Filing: 1951-01-04
•
Granted: 1954-11-30
•
Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
- 👤 Starts Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:00
CPC Classifications
F; F02; F02B; F02B25/00; F02B2720/00; F02B2720/13; F02B2720/137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1772103A
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US1800070A
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US2029990A
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US1956235A
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US2030663A
Cited
US2173956A
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US2169120A
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US2350791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |