US3156399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid bearing
Assignee: Unisys Corp
•
Filing: 1961-10-23
•
Granted: 1964-11-10
•
Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 Walter G Wadey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:34
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614; F16C32/0618; G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/285; G11B15/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A FLUID GUIDE BEARING ADAPTED TO SUPPORT A WEB OVER A CERTAIN ANGLE OF CONTACT, SAID BEARING COMPRISING A CLOSED CYLINDRICAL BODY INCLUDING A FIRST SURFACE PORTION OF POROUS MATERIAL, A SECOND SURFACE PORTION IMPERMEABLE TO BEARING FLUID AND THIRD SURFACE PORTIONS HAVING VARYING DEGREES OF PERMEABILITY TO SAID BEARING FLUID, AND SAID FIRST AND THIRD SURFACE PORTIONS EXTENDING OVER AN ANGLE SUBSTANTIALLY EQUAL TO SAID ANGLE OF CONTACT.
Claim 2
Dependent Claim
69 words
A FLUID GUIDE BEARING ADAPTED TO SUPPORT A WEB OVER A CERTAIN ANGLE OF CONTACT, SAID BEARING COMPRISING A CLOSED CYLINDRICAL BODY INCLUDING A FIRST SURFACE PORTION OF POROUS MATERIAL, A SECOND SURFACE PORTION IMPERMEABLE TO BEARING FLUID AND THIRD SURFACE PORTIONS HAVING VARYING DEGREES OF PERMEABILITY TO SAID BEARING FLUID, AND SAID FIRST AND THIRD SURFACE PORTIONS EXTENDING OVER AN ANGLE SUBSTANTIALLY EQUAL TO SAID ANGLE OF CONTACT.
References Cited (Backward Citations)
US2228406A
Cited
GB570795A
Cited
US2855249A
Cited
US2953289A
Cited
US2908495A
Cited
US3032246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |