Patent US1835576A successfully refreshed from Google Patents.
Patent US2786332A successfully refreshed from Google Patents.
US2786332A
Expired / Lapsed
US
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Rotary combustion engine and cooling thereof
Assignee: Individual
•
Filing: 1950-09-25
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Granted: 1957-03-26
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Expires: 1970-09-25
Abstract
No abstract record available.
Inventors
- 👤 Taverniers Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:06
CPC Classifications
F; F02; F02B; F02B53/00; F02B2730/00; F02B2730/01; F02B2730/017; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2070631A
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US2362705A
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US2559814A
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US2548339A
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US2616256A
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US2503410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |