US2384381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft engine
Assignee: DOROTHY G JOCELYN
•
Filing: 1943-01-02
•
Granted: 1945-09-04
•
Expires: 1963-01-02
Abstract
No abstract record available.
Inventors
- 👤 Douglas L Jocelyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:21
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/16; F02B37/164; F01; F01P; F01P1/00; F01P1/02; F02B37/04; F02B37/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-09-03 | 1949-03-05 | 1949-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-03 | 1953-03-05 | 1953-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-03 | 1957-03-05 | 1957-09-04 | $7700.00 | Window Closed / Lapsed |