Patent US2995462A successfully refreshed from Google Patents.
US2995462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing material
Assignee: Federal Mogul Engineering Ltd
•
Filing: 1957-03-04
•
Granted: 1961-08-08
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Mitchell David Conrad
- 👤 Love Phil Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:26
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; C; C25; C25D; C25D7/00; C25D7/10; F16C33/06; F16C33/201; F16C33/203; F16C33/206; F16C33/208; F16C2208/00; F16C2208/20; F16C2208/30; F16C2208/32; F16C2223/00; F16C2223/30; F16C2223/40; F16C2223/42; F16C2223/70; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12042; Y10T428/12146; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A BEARING MATERIAL COMPRISING A POROUS METAL MATRIX IMPREGNATED AND COATED WITH POLYTETRAFLUOROETHYLENE HAVING INCORPORATED THEREIN A METAL OF THE GROUP CONSISTING OF LEAD, INDIUM, THALLIUM AND CADMIUM IN AN AMOUNT BY VOLUME WITHIN THE RANGE FROM ABOUT 0.01% TO ABOUT 30% BASED UPON THE POLYTETRAFLUOROETHYLENE.
Claim 2
Dependent Claim
46 words
A BEARING MATERIAL COMPRISING A POROUS METAL MATRIX IMPREGNATED AND COATED WITH POLYTETRAFLUOROETHYLENE HAVING INCORPORATED THEREIN A METAL OF THE GROUP CONSISTING OF LEAD, INDIUM, THALLIUM AND CADMIUM IN AN AMOUNT BY VOLUME WITHIN THE RANGE FROM ABOUT 0.01% TO ABOUT 30% BASED UPON THE POLYTETRAFLUOROETHYLENE.
References Cited (Backward Citations)
US2214104A
Cited
US2400099A
Cited
US2400091A
Cited
US2700623A
Cited
US2731360A
Cited
US2798005A
Cited
US2691814A
Cited
US2715617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |