US2982677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing alloys
Assignee: Voestalpine AG
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Filing: 1957-10-10
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Granted: 1961-05-02
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Expires: 1977-10-10
Abstract
No abstract record available.
Inventors
- 👤 Pelzel Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:15
CPC Classifications
C; C22; C22C; C22C18/00; C22C18/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49709
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A METHOD OF MANUFACTURING A BEARING MATERIAL WITHOUT HOMOGENISATION OF THE ALLOY STRUCTURE THEREOF, WHICH COMPRISES FORMING A ZN/AL/CU ALLOY CONTAINING FROM 16 TO 29% ALUMINUM, AT LEAST 2.2% COPPER, THE COPPER CONTENT BEING FROM 1/10 TO 1/4 OF THE ALUMINUM CONTENT, AND THE REMAINDER ZINC, AND HEAT TREATING THE FORMED
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |