US2836041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking means for parts having threaded engagement
Assignee: Rolls Royce PLC
•
Filing: 1955-11-14
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Granted: 1958-05-27
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Petrie James Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:20
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/02; F01; F01D; F01D5/00; F01D5/02; F01D5/026; F16B; F16B39/00; F16B39/22; F16B39/24; G; G05; G05G; G05G5/00; G05G5/06; F05; F05D; F05D2250/00; F05D2250/20; F05D2250/28; F05D2250/281; G05G2700/00; G05G2700/04; G05G2700/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1030146A
Cited
DE540815C
Cited
US2332684A
Cited
US2712740A
Cited
US2744395A
Cited
US2785550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |