Patent US2799202A successfully refreshed from Google Patents.
US2799202A
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US
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Fastener with spring tongues having biting edge
Assignee: Prestole Corp
•
Filing: 1952-09-11
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Granted: 1957-07-16
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Expires: 1972-09-11
Abstract
No abstract record available.
Inventors
- 👤 Alexander S Patten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:50
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/20; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1156279A
Cited
US2225394A
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US2254288A
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US2334046A
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US2421115A
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US2561036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |