Patent DD213834A1 successfully refreshed from Google Patents.
US2476816A
Expired / Lapsed
US
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Internal-combustion engine
Assignee: Crossley Brothers Ltd
•
Filing: 1945-06-12
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Granted: 1949-07-19
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Expires: 1965-06-12
Abstract
No abstract record available.
Inventors
- 👤 Carter Herbert Desmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:23
CPC Classifications
F; F02; F02B; F02B25/00; F02B2700/00; F02B2700/03; F02B2700/031; F02B2700/032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1314640A
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US1332803A
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US1413213A
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US1394850A
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US1982146A
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GB442940A
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US2306580A
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US2305946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |