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US3501995A
Expired / Lapsed
US
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Thread-cutting nut
Assignee: Illinois Tool Works Inc
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Filing: 1968-12-02
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Granted: 1970-03-24
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Expires: 1988-12-02
Abstract
No abstract record available.
Inventors
- 👤 James Curtis Lanius Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:24
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/002; Y; Y10; Y10S; Y10S411/00; Y10S411/03; Y10T; Y10T408/00; Y10T408/89; Y10T408/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US561913A
Cited
US689555A
Cited
CH29849A
Cited
US1804058A
Cited
US2178803A
Cited
DE806397C
Cited
US3350975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |