Patent US2713882A successfully refreshed from Google Patents.
US2713882A
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Wing nut assembly with spring wire locking means
Assignee: Individual
•
Filing: 1951-10-03
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Granted: 1955-07-26
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Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Norman A Wilkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:21
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/10; F16B37/00; F16B37/08; F16B37/0807; F16B37/085; F16B37/16; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE343127C
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US766895A
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US793432A
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US900202A
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US1522854A
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FR655099A
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US2163134A
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US2402693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |