US3305325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing and method of making same
Assignee: Federal Mogul LLC
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Filing: 1964-10-21
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Granted: 1967-02-21
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Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 Brasse Gordon J Le
- 👤 Joseph M Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:17
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/08; B05D5/083; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B22; B22F; B22F7/00; B22F7/002; B22F7/02; B22F7/04; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12007; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12146; Y10T428/12153; Y10T428/12493; Y10T428/12535; Y10T428/12542; Y10T428/12549; Y10T428/12556; Y10T428/12569; Y10T428/25; Y10T428/256; Y10T428/26; Y10T428/269; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
COMPOSITE BEARING MATERIAL COMPRISING A HARD METAL BACKING STRIP, A POROUS SINTERED METALLIC MATRIX TENACIOUSLY BONDED TO ONE FACE OF SAID BACKING STRIP, SAID POROUS MATRIX HAVING A POROSITY OF FROM ABOUT 10% TO ABOUT 50% BY VOLUME, AND A FILM OF A NYLON PLASTIC SELECTED FROM THE GROUP CONSISTING OF NYLON-6,6, NYLON-6,10, AND NYLON-6 DISPOSED ON THE EXPOSED SURFACE OF SAID POROUS MATRIX AND EXTENDING INWARDLY INTO AND MECHANICALLY INTERLOCKED WITHIN THE PORES THEREOF, SAID NYLON PLASTIC CONSTITUTING A CONTINUOUS PHASE INCLUDING A DISCONTINUOUS PHASE OF FINELY PARTICULATED MOLYBDENUM DISULFIED PARTICLES PRESENT IN AN AMOUNT OF FROM 0.25% TO 5% BY WEIGHT AND A DISCONTINUOUS PHASE OF FINELY PARTICULATED POLYTETRAFLUOROETHYLENE PARTICLES OF A SIZE LESS THAN ABOUT 325 MESH AND PRESENT IN AN AMOUNT OF FROM ABOUT 5% TO ABOUT 25% BY WEIGHT, SAID MOLYBDENUM DISULFIED PARTICLES AND SAID POLYTETRAFLUOROETHYLENE PARTICLES DISTRIBUTED SUBSTANTIALLY UNIFORMLY THROUGH SAID CONTINUOUS PHASE OF SAID NYLON PLASTIC.
Claim 2
Dependent Claim
153 words
COMPOSITE BEARING MATERIAL COMPRISING A HARD METAL BACKING STRIP, A POROUS SINTERED METALLIC MATRIX TENACIOUSLY BONDED TO ONE FACE OF SAID BACKING STRIP, SAID POROUS MATRIX HAVING A POROSITY OF FROM ABOUT 10% TO ABOUT 50% BY VOLUME, AND A FILM OF A NYLON PLASTIC SELECTED FROM THE GROUP CONSISTING OF NYLON-6,6, NYLON-6,10, AND NYLON-6 DISPOSED ON THE EXPOSED SURFACE OF SAID POROUS MATRIX AND EXTENDING INWARDLY INTO AND MECHANICALLY INTERLOCKED WITHIN THE PORES THEREOF, SAID NYLON PLASTIC CONSTITUTING A CONTINUOUS PHASE INCLUDING A DISCONTINUOUS PHASE OF FINELY PARTICULATED MOLYBDENUM DISULFIED PARTICLES PRESENT IN AN AMOUNT OF FROM 0.25% TO 5% BY WEIGHT AND A DISCONTINUOUS PHASE OF FINELY PARTICULATED POLYTETRAFLUOROETHYLENE PARTICLES OF A SIZE LESS THAN ABOUT 325 MESH AND PRESENT IN AN AMOUNT OF FROM ABOUT 5% TO ABOUT 25% BY WEIGHT, SAID MOLYBDENUM DISULFIED PARTICLES AND SAID POLYTETRAFLUOROETHYLENE PARTICLES DISTRIBUTED SUBSTANTIALLY UNIFORMLY THROUGH SAID CONTINUOUS PHASE OF SAID NYLON PLASTIC.
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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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |