US2846701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a sheet metal lock nut
Assignee: United Carr Fastener Corp
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Filing: 1955-03-10
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Granted: 1958-08-12
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Expires: 1975-03-10
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Bedford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:00
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/707; B21D; B21D53/00; B21D53/24; B23; B23G; B23G1/00; B23G1/22; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/961; Y10S411/963; Y10S411/965
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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |