US3562884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum-based alloy bearing material and method of making
Assignee: Motors Liquidation Co
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Filing: 1968-10-29
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Granted: 1971-02-16
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Expires: 1988-10-29
Abstract
Abstract IN A PREFERRED EMBODIMENT A CAST STRIP OF ALUMINUM BEARING ALLOY CONTAINING A MINOR PORTION OF LEAD DISPERSED AS SMALL SPHERICAL PARTICLES IN THE ALUMINUM MATRIX IS ROLLED LENGTHWISE, WHEREBY THE SOFT LEAD PARTICLES ARE FLATTENED AND LENGTHENED IN THE DIRECTIN OF ROLLING. SLEEVE BEARING BLANKS ARE THEN CUT FROM THE CST AND ROLLED STRIP IN A DIRECTION AND MANNER SUCH THAT THE LONGEST DIMENSION OF THE FLATTENED LEAD PARTICLES IN THE FINISHED BEARING IS TRANSVERSE TO THE INTENDED DIRECTION OF ROTATION OF A MATING JOURNAL MEMBER.
Inventors
- 👤 Fred J Webbere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:38
CPC Classifications
B; B22; B22D; B22D19/00; B22D19/08; B22D19/085; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/912; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49677; Y10T29/49705; Y10T29/49707; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |