US2658546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut and retainer assembly
Assignee: Illinois Tool Works Inc
•
Filing: 1950-06-01
•
Granted: 1953-11-10
•
Expires: 1970-06-01
Abstract
No abstract record available.
Inventors
- 👤 Edmond C Crowther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:56
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/044; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1760834A
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US1768505A
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US1805460A
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GB555783A
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GB556419A
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US2385991A
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GB597569A
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US2448902A
Cited
GB607872A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |