US2458859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locating and locking means
Assignee: Power Jets Research and Development Ltd
•
Filing: 1945-11-15
•
Granted: 1949-01-11
•
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
2026-10-31 11:15
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B24; B24B; B24B53/00; B24B53/12; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1072283A
Cited
FR563676A
Cited
US1855939A
Cited
US1900852A
Cited
US2072877A
Cited
US2214730A
Cited
US2318480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |