Patent US5135497A successfully refreshed from Google Patents.
Patent US2520310A successfully refreshed from Google Patents.
US2520310A
Expired / Lapsed
US
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Bearing
Assignee: Jack & Heintz Prec Ind Inc
•
Filing: 1946-03-21
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Granted: 1950-08-29
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Expires: 1966-03-21
Abstract
No abstract record available.
Inventors
- 👤 John W Frazier
- 👤 Leonard J Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:41
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/122; F16C33/124; F16C33/125; F16C33/14; F16C2204/00; F16C2204/02; F16C2204/04; F16C2204/30; F16C2223/00; F16C2223/30; F16C2223/32; Y; Y10; Y10S; Y10S29/00; Y10S29/022; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/941; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49677; Y10T29/49709; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12681; Y10T428/12701; Y10T428/12771; Y10T428/12785; Y10T428/12861; Y10T428/12896; Y10T428/12986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
AN ANTI-FRICTION BEARING COMPRISING A RIGID META BACKING MEMBER, A LAYER OF RELATIVELY HARD BEARING METAL BONDED TO SAID BACKING MEMBER, AN INTERMEDIATE LAYER OF INDIUM BONDED TO SAID LAYER OF HARD BEARING METAL AND A LAYER OF SOFT BEARING METAL ON SAID INTERMEDIATE LAYER OF INDIUM.
Claim 2
Dependent Claim
47 words
AN ANTI-FRICTION BEARING COMPRISING A RIGID META BACKING MEMBER, A LAYER OF RELATIVELY HARD BEARING METAL BONDED TO SAID BACKING MEMBER, AN INTERMEDIATE LAYER OF INDIUM BONDED TO SAID LAYER OF HARD BEARING METAL AND A LAYER OF SOFT BEARING METAL ON SAID INTERMEDIATE LAYER OF INDIUM.
References Cited (Backward Citations)
US2288656A
Cited
US2373352A
Cited
US2329483A
Cited
US2266320A
Cited
US2325071A
Cited
US2289572A
Cited
US2386951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |