US3527262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating piston chamber engine
Assignee: JERRY C FUCHS
•
Filing: 1968-04-16
•
Granted: 1970-09-08
•
Expires: 1988-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jerry C Fuchs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:09
CPC Classifications
F; F02; F02B; F02B53/00; F02B2730/00; F02B2730/01; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US282001A
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US2965288A
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US746420A
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US1253716A
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US1602018A
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US1999187A
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US3358439A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |