Patent US2436768A successfully refreshed from Google Patents.
US2436768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: Rolls Royce PLC
•
Filing: 1943-08-12
•
Granted: 1948-02-24
•
Expires: 1963-08-12
Abstract
No abstract record available.
Inventors
- 👤 Griffith Alan Arnold
- 👤 Eyre Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:18
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/10; F16C19/14; F16C19/16; F16C19/163; F16C19/54; F16C19/545; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20408
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US584296A
Cited
US644245A
Cited
US899563A
Cited
FR405380A
Cited
US1769933A
Cited
US1735602A
Cited
US1809699A
Cited
US2173508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |