Patent US2441846A successfully refreshed from Google Patents.
US2441846A
Expired / Lapsed
US
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Tool for handling open-ended retaining rings
Assignee: Waldes Kohinoor Inc
•
Filing: 1944-11-17
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Granted: 1948-05-18
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Expires: 1964-11-17
Abstract
No abstract record available.
Inventors
- 👤 Louis W Schaaff
- 👤 Waldes Sigmund
- 👤 Feitl Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:56
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/20; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53613; Y10T29/5363; Y10T29/53683
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1698618A
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US1832606A
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US1927383A
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US2208136A
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US2232247A
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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) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |