Patent US2340653A successfully refreshed from Google Patents.
US2340653A
Expired / Lapsed
US
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Machine for broaching bearings
Assignee: Bohn Aluminum and Brass Corp
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Filing: 1941-04-07
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Granted: 1944-02-01
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Expires: 1961-04-07
Abstract
No abstract record available.
Inventors
- 👤 William J Fiegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:22
CPC Classifications
B; B23; B23D; B23D37/00; B23D37/02; B23D37/04; Y; Y10; Y10T; Y10T409/00; Y10T409/40; Y10T409/40035; Y10T409/400525; Y10T409/401225; Y10T409/40455; Y10T409/404725; Y10T409/405775; Y10T409/40595
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) | 1947-01-31 | 1947-08-02 | 1948-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-31 | 1951-08-02 | 1952-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-31 | 1955-08-02 | 1956-02-01 | $7700.00 | Window Closed / Lapsed |