Patent US2285583A successfully refreshed from Google Patents.
US2285583A
Expired / Lapsed
US
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Surface preparation of bearings for babbitting
Assignee: Westinghouse Electric Corp
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Filing: 1940-04-13
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Granted: 1942-06-09
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Expires: 1960-04-13
Abstract
No abstract record available.
Inventors
- 👤 Lawrence D Jennings
- 👤 Rea A Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:21
CPC Classifications
B; B21; B21K; B21K25/00; Y; Y10; Y10S; Y10S277/00; Y10S277/922; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T29/4998; Y10T29/49982; Y10T29/49986; Y10T428/00; Y10T428/12; Y10T428/12451; Y10T82/00; Y10T82/10
Claims Analysis
Total Claims: 0
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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) | 1945-06-08 | 1945-12-08 | 1946-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-08 | 1949-12-08 | 1950-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-08 | 1953-12-08 | 1954-06-09 | $7700.00 | Window Closed / Lapsed |