US3366096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary explosion engine
Assignee: THOMAS E MATHEWS
•
Filing: 1966-03-11
•
Granted: 1968-01-30
•
Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:20
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)
US2715391A
Cited
US2956735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |