US3393533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable shafting
Assignee: Rolls Royce PLC
•
Filing: 1966-07-14
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Granted: 1968-07-23
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Expires: 1986-07-14
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Wilfred Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:30
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/026; F01D5/025; F01D5/06; F16; F16D; F16D1/00; F16D1/06; F16D1/064; F16D1/068; F16D1/10; F16D3/00; F16D3/50; F16D3/80; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2121819A
Cited
GB552408A
Cited
US2696346A
Cited
US2785550A
Cited
US2739462A
Cited
US3101961A
Cited
FR1265193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |