US3459249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stiff nuts
Assignee: GKN Screws and Fasteners Ltd
•
Filing: 1968-01-10
•
Granted: 1969-08-05
•
Expires: 1988-01-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur Edmund Jordan
- 👤 Reginald Hugh Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:53
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/707; F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US789395A
Cited
US1228099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |