US3268277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing assembly
Assignee: Rolls Royce PLC
•
Filing: 1964-02-06
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Granted: 1966-08-23
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Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Pratt Leslie James
- 👤 Brien Ronald
- 👤 Cross James Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:39
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016; B64C29/0041; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16C33/6659; F16N; F16N7/00; F16N7/38; F05; F05D; F05D2260/00; F05D2260/60; F05D2260/602; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2326/00; F16C2326/43; F16C2360/00; F16C2360/23; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A BEARING ASSEMBLY COMPRISING A BEARING, A LUBRICANT CHAMBER HAVING A PLURALITY OF COMPARTMENTS THEREIN AT LEAST TWO OF WHICH HAVE AT LEAST ONE APERTURE THEREIN THROUGH WHICH LUBRICANT MAY PASS FROM THE COMPARTMENT TO THE BEARING, A LUBRICANT INLET DUCT THROUGH WHICH A SINGLE SLOT OF LUBRICANT MAY BE SUPPLIED TO ONE ONLY OF SAID COMPARTMENTS, AND MEANS AFFORDING RESTRICTED COMMUNICATION BETWEEN THE SAID ONE COMPARTMENT AND ANY OTHER COMPARTMENTS, SAID MEANS ENSURING THAT THE BEARING IS FIRST SUPPLIED WITH LUBRICANT FROM THE SAID ONE COMPARTMENT ONLY AND IS THEREAFTER SUPPLED WITH LUBRICANT WHICH HAS PASSED FROM THE SAID ONE COMPARTMENT TO THE SAID ANY OTHER COMPARTMENTS.
Claim 2
Dependent Claim
108 words
A BEARING ASSEMBLY COMPRISING A BEARING, A LUBRICANT CHAMBER HAVING A PLURALITY OF COMPARTMENTS THEREIN AT LEAST TWO OF WHICH HAVE AT LEAST ONE APERTURE THEREIN THROUGH WHICH LUBRICANT MAY PASS FROM THE COMPARTMENT TO THE BEARING, A LUBRICANT INLET DUCT THROUGH WHICH A SINGLE SLOT OF LUBRICANT MAY BE SUPPLIED TO ONE ONLY OF SAID COMPARTMENTS, AND MEANS AFFORDING RESTRICTED COMMUNICATION BETWEEN THE SAID ONE COMPARTMENT AND ANY OTHER COMPARTMENTS, SAID MEANS ENSURING THAT THE BEARING IS FIRST SUPPLIED WITH LUBRICANT FROM THE SAID ONE COMPARTMENT ONLY AND IS THEREAFTER SUPPLED WITH LUBRICANT WHICH HAS PASSED FROM THE SAID ONE COMPARTMENT TO THE SAID ANY OTHER COMPARTMENTS.
References Cited (Backward Citations)
US3154919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |