US2911267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Failsafe bearing lubrication
Assignee: RTX Corp
•
Filing: 1957-11-12
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Granted: 1959-11-03
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Leslie C Small
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:48
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16C33/6659; F01; F01D; F01D25/00; F01D25/18; F16C33/6677; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C2360/00; F16C2360/23
Claims Analysis
Total Claims: 0
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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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |