Patent US2546616A successfully refreshed from Google Patents.
US2546616A
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US
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Tool for handling open-ended spring retaining rings
Assignee: Waldes Kohinoor Inc
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Filing: 1946-09-26
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Granted: 1951-03-27
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Expires: 1966-09-26
Abstract
No abstract record available.
Inventors
- 👤 Louis W Schaaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:00
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/20; B25B27/205; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53613; Y10T29/5363; Y10T29/53991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US582755A
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US1122165A
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US1217640A
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US1207973A
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US1410866A
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US2238014A
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US2439785A
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US2474940A
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US2483383A
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US2483380A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |