Patent US2644541A successfully refreshed from Google Patents.
US2644541A
Expired / Lapsed
US
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Pressurized chamber for air-cooled engines
Assignee: Continental Motors Corp
•
Filing: 1947-07-10
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Granted: 1953-07-07
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Expires: 1967-07-10
Abstract
No abstract record available.
Inventors
- 👤 Carl F Bachle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:57
CPC Classifications
B; B60; B60K; B60K5/00; B60K5/04; B60K5/06; B60K11/00; B60K11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE585264C
Cited
US909615A
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US1295793A
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US1781322A
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FR692336A
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US2105153A
Cited
US2126876A
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GB512050A
Cited
US2247742A
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FR874295A
Cited
US2396506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |