Patent US2830350A successfully refreshed from Google Patents.
US2830350A
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US
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Fastening device
Assignee: United Carr Fastener Corp
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Filing: 1954-06-29
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Granted: 1958-04-15
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Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 William C Wootton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:55
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/04; A47C5/00; A47C5/04; A47C5/06; Y; Y10; Y10S; Y10S160/00; Y10S160/15
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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |