US3412773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock nut
Assignee: Russell Burdsall and Ward Corp
•
Filing: 1966-02-16
•
Granted: 1968-11-26
•
Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Breed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/30; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US224591A
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US1369156A
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US2437638A
Cited
US2371365A
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US2567483A
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US2741288A
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GB963110A
Cited
US3233258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |