Patent US6485501B1 successfully refreshed from Google Patents.
US2978802A
Expired / Lapsed
US
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Combination retaining ring dispensing and applying tools
Assignee: Waldes Kohinoor Inc
•
Filing: 1958-03-14
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Granted: 1961-04-11
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Expires: 1978-03-14
Abstract
No abstract record available.
Inventors
- 👤 Erdmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:11
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/20; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478; Y10T29/53487; Y10T29/53613; Y10T29/5363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1596698A
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US2172847A
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US2215008A
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US2312502A
Cited
GB740116A
Cited
US2781515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |