Patent US2851756A successfully refreshed from Google Patents.
US2851756A
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Fastening device
Assignee: United Carr Fastener Corp
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Filing: 1954-06-15
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Granted: 1958-09-16
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Expires: 1974-06-15
Abstract
No abstract record available.
Inventors
- 👤 Walter I Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:09
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0029; A44B17/0035; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/4588; Y10T24/45906; Y10T24/45932; Y10T24/45953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US300451A
Cited
DE399811C
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CA491925A
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US1053960A
Cited
FR462821A
Cited
US1425006A
Cited
US1497339A
Cited
US2668340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |