US2855249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permeable fluid bearing
Assignee: D'ETUDE ET D'EXPLOITATION DU PALIER FLUIDE Ste
•
Filing: 1953-05-21
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Granted: 1958-10-07
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Expires: 1973-05-21
Abstract
No abstract record available.
Inventors
- 👤 Paul Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:16
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614; F16C32/0618
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2054055A
Cited
US2318114A
Cited
US2449297A
Cited
CA454557A
Cited
US2696410A
Cited
US2645534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |