Patent US592457A successfully refreshed from Google Patents.
US2942897A
Expired / Lapsed
US
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Fastening device
Assignee: Eon Corp
•
Filing: 1957-12-10
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Granted: 1960-06-28
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Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Winfield S Eason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:52
CPC Classifications
F; F16; F16B; F16B9/00; F16B9/05; F16B9/054; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17231; Y10T279/17239; Y10T279/17256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US361693A
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US1716131A
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US1815660A
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US2288776A
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US2448817A
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US2759364A
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US2614781A
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US2742307A
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US2654135A
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US2739361A
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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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |