US3479714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for tightening and locking nuts on bolts
Assignee: GKN Screws and Fasteners Ltd
•
Filing: 1966-12-22
•
Granted: 1969-11-25
•
Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert T Allsop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:58
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; B; B25; B25B; B25B21/00; B25B21/001; B25B21/002; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/53; Y10T29/53687; Y10T29/53909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925714A
Cited
US3322005A
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US2438744A
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US2538343A
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US2943335A
Cited
US2974406A
Cited
US2960082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |