Patent US3073288A successfully refreshed from Google Patents.
US3073288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion rotary piston engine and the like
Assignee: Individual
•
Filing: 1960-04-06
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Granted: 1963-01-15
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Expires: 1980-04-06
Abstract
No abstract record available.
Inventors
- 👤 Maurice J Moriarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:44
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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US1644490A
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US1655541A
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US1713378A
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US1828207A
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US1960971A
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US2742882A
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US2722201A
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GB796601A
Cited
US2897798A
Cited
US2939438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |