US3010281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toroidal combustion chamber
Assignee: Individual
•
Filing: 1957-12-24
•
Granted: 1961-11-28
•
Expires: 1977-12-24
Abstract
No abstract record available.
Inventors
- 👤 Adolph J Cervenka
- 👤 Ii Arthur G Thorp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:46
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/52; F02; F02C; F02C3/00; F02C3/04; F02C3/08; F02C3/085; F23R3/425
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2256198A
Cited
US2567079A
Cited
US2694291A
Cited
US2709893A
Cited
US2809493A
Cited
US2855754A
Cited
US2831543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |