Patent US1117641A successfully refreshed from Google Patents.
US1117641A
Expired / Lapsed
US
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Internal-combustion engine.
Assignee: SHEFFIELD CAR CO
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Filing: 1914-05-20
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Granted: 1914-11-17
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Expires: 1934-05-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Cottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:52
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/02; F02M; F02M7/00; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1917-11-16 | 1918-05-18 | 1918-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-11-16 | 1922-05-18 | 1922-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-11-16 | 1926-05-18 | 1926-11-17 | $7700.00 | Window Closed / Lapsed |