US2589090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearing
Assignee: Power Jets Research and Development Ltd
•
Filing: 1945-11-15
•
Granted: 1952-03-11
•
Expires: 1965-11-15
Abstract
No abstract record available.
Inventors
- 👤 Kestell Thomas Aubrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:28
CPC Classifications
F; F16; F16D; F16D21/00; F16D21/08; B; B64; B64C; B64C11/00; B64C11/30; G; G05; G05G; G05G7/00; G05G7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1441803A
Cited
US1699359A
Cited
US2007417A
Cited
US1969280A
Cited
US1963664A
Cited
US2186064A
Cited
US2306135A
Cited
US2228638A
Cited
US2403899A
Cited
US2437189A
Cited
US2370675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |