US3262744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearings
Assignee: Individual
•
Filing: 1962-10-05
•
Granted: 1966-07-26
•
Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 John F Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:40
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A BEARING COMPRISING A ROTATABLE SHAFT HAVING A BEARING SURFACE, A FIXED SURFACE FACING SAID BEARING SURFACE, A FURST FLUID WITHIN THE SPACE DEFINED BY SAID FIXED SURFACE AND SAID BEARING SURFACE AND WETTING BOTH SURFACES, AND FIXED SURFACE BEING BOUNDED BY A MATERIAL WHICH IS NOT WETTED BY SAID FIRST FLUID, SAID BEARING SURFACE LIKEWISE BEING BOUNDED BY A MATERIAL NOT WETTED BY SAID FIRST FLUID WHEREBY SAID FIRST FLUID IS CONFINED TO THE SPACE BETWEEN SAID WETTED FIXED SURFACE AND SAID WETTED BEARING SURFACE TO FORM A FIRST FLUID ANNULUS, LOAD FROM SAID SHAFT TO SAID FIXED SURFACE BEING TRANSMITTED THROUGH SAID FIRST ANNULUS AND A SECOND ANNULARS OF FIRST FLUID SURROUNDING SAID FIRST ANNULUS AND BEING BOUNDED BY SAID FIXED AND BEARING SURFACES HAVING ADDITIONAL BOUNDING SURFACES NON-WETTED BY SAID SECOND ANNULUS OF FLUID, LOAD FROM SAID SHAFT TO SAID FIXED BEARING SURFACE ALSO BEING TRANSMITTED THROUGH SAID SECOND ANNULUS.
Claim 2
Dependent Claim
153 words
A BEARING COMPRISING A ROTATABLE SHAFT HAVING A BEARING SURFACE, A FIXED SURFACE FACING SAID BEARING SURFACE, A FURST FLUID WITHIN THE SPACE DEFINED BY SAID FIXED SURFACE AND SAID BEARING SURFACE AND WETTING BOTH SURFACES, AND FIXED SURFACE BEING BOUNDED BY A MATERIAL WHICH IS NOT WETTED BY SAID FIRST FLUID, SAID BEARING SURFACE LIKEWISE BEING BOUNDED BY A MATERIAL NOT WETTED BY SAID FIRST FLUID WHEREBY SAID FIRST FLUID IS CONFINED TO THE SPACE BETWEEN SAID WETTED FIXED SURFACE AND SAID WETTED BEARING SURFACE TO FORM A FIRST FLUID ANNULUS, LOAD FROM SAID SHAFT TO SAID FIXED SURFACE BEING TRANSMITTED THROUGH SAID FIRST ANNULUS AND A SECOND ANNULARS OF FIRST FLUID SURROUNDING SAID FIRST ANNULUS AND BEING BOUNDED BY SAID FIXED AND BEARING SURFACES HAVING ADDITIONAL BOUNDING SURFACES NON-WETTED BY SAID SECOND ANNULUS OF FLUID, LOAD FROM SAID SHAFT TO SAID FIXED BEARING SURFACE ALSO BEING TRANSMITTED THROUGH SAID SECOND ANNULUS.
References Cited (Backward Citations)
US235297A
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US1754085A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |