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US2814859A
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US
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Apparatus for assembling open-ended spring retaining rings on grooved shafts, pins and the like
Assignee: Waldes Kohinoor Inc
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Filing: 1956-05-11
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Granted: 1957-12-03
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Erdmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:03
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/084; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53287; Y10T29/53613; Y10T29/5363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |