Patent US2762307A successfully refreshed from Google Patents.
US2762307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engines
Assignee: British Messier Ltd
•
Filing: 1952-09-02
•
Granted: 1956-09-11
•
Expires: 1972-09-02
Abstract
No abstract record available.
Inventors
- 👤 George Orloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:20
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F01; F01B; F01B3/00; F01B3/0002; F01B3/0005; F01B3/0008; F03; F03C; F03C1/00; F03C1/02; F03C1/06; F03C1/061; F03C1/0615; F04B1/18; F04B1/20; F04B1/22; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/12; F04B9/129; F04B9/131; F04B9/1315
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |