US3206264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature bearings
Assignee: Boeing Co
•
Filing: 1960-08-12
•
Granted: 1965-09-14
•
Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Larry B Dalzell
- 👤 Jan W Van Wyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:09
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C33/109; F16C2210/00; F16C2210/08; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/905; Y10S384/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A COMPOSITE BEARING STRUCTURE FOR USE AT HIGH TEMPERATURES COMPRISING A SUPPORT MEMBER, A MATRIX HAVING A FIRST COEFFICIENT OF THERMAL EXPANSION AND BEING RETAINED BY SAID SUPPORT MEMBER, SAID MATRIX HAVING A BEARING SURFACE WITH A LARGE NUMBER OF POCKETS THEREIN, AND A LUBRICANT METAL HAVING A SECOND COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY GREATER THAN SAID FIRST COEFFICIENT OF THERMAL EXPANSION AND BEING LOCATED WITHIN THE POCKETS OF THE BEARING SURFACE, SAID LUBRICANT METAL HAVING A PREDETERMINED MINIMUM MELTING POINT AND HAVING THE PROPERTY OF WETTING SAID MATRI, WHEREBY AN INCREASE IN THE BEARING TEMPERATURE TO BE PREDETERMINED MELTING POINT CAUSES THE LUBRICANT METAL TO LIQUIFY AND THE DIFFER-
Claim 2
Dependent Claim
110 words
A COMPOSITE BEARING STRUCTURE FOR USE AT HIGH TEMPERATURES COMPRISING A SUPPORT MEMBER, A MATRIX HAVING A FIRST COEFFICIENT OF THERMAL EXPANSION AND BEING RETAINED BY SAID SUPPORT MEMBER, SAID MATRIX HAVING A BEARING SURFACE WITH A LARGE NUMBER OF POCKETS THEREIN, AND A LUBRICANT METAL HAVING A SECOND COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY GREATER THAN SAID FIRST COEFFICIENT OF THERMAL EXPANSION AND BEING LOCATED WITHIN THE POCKETS OF THE BEARING SURFACE, SAID LUBRICANT METAL HAVING A PREDETERMINED MINIMUM MELTING POINT AND HAVING THE PROPERTY OF WETTING SAID MATRI, WHEREBY AN INCREASE IN THE BEARING TEMPERATURE TO BE PREDETERMINED MELTING POINT CAUSES THE LUBRICANT METAL TO LIQUIFY AND THE DIFFER-
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |