US3377802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing lubricating system for an aircraft gas turbine engine
Assignee: Rolls Royce PLC
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Filing: 1966-08-22
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Granted: 1968-04-16
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Wilfred Henry
- 👤 Goss Arthur George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:02
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F05; F05D; F05D2260/00; F05D2260/60; F05D2260/601
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |