US2752239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum base bearing
Assignee: Motors Liquidation Co
•
Filing: 1952-12-27
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Granted: 1956-06-26
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Expires: 1972-12-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Schluchter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:37
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12701; Y10T428/12736
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A BEARING FORMED OF AN ALLOY CONSISTING OF APPROXIMATELY 0.2% TO 10% SILICON, 0.1% TO 3% LEAD, 0.1% TO 0.8% CHROMIUM, AND THE BALANCE SUBSTANTIALLY ALL ALUMINUM.
Claim 2
Dependent Claim
27 words
A BEARING FORMED OF AN ALLOY CONSISTING OF APPROXIMATELY 0.2% TO 10% SILICON, 0.1% TO 3% LEAD, 0.1% TO 0.8% CHROMIUM, AND THE BALANCE SUBSTANTIALLY ALL ALUMINUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |