Patent US2678798A successfully refreshed from Google Patents.
US2678798A
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Fastening device
Assignee: United Carr Fastener Corp
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Filing: 1951-05-12
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Granted: 1954-05-18
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Expires: 1971-05-12
Abstract
No abstract record available.
Inventors
- 👤 Wilmer H Churchill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:02
CPC Classifications
F; F16; F16B; F16B9/00; F16B9/05; F16B9/056; H; H05; H05K; H05K7/00; H05K7/02; H05K7/12; F16B2200/00; F16B2200/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1203402A
Cited
US1644899A
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US2144171A
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US2230898A
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US2176299A
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US2326903A
Cited
US2441420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |