Patent EP0679370A2 successfully refreshed from Google Patents.
US3440922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolt and method of making same
Assignee: SPS Technologies LLC
•
Filing: 1967-12-20
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Granted: 1969-04-29
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Expires: 1987-12-20
Abstract
No abstract record available.
Inventors
- 👤 George R Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:44
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; F; F16; F16B; F16B35/00; F16B4/00; F16B4/006; Y; Y10; Y10S; Y10S411/00; Y10S411/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US156722A
Cited
GB190429352A
Cited
US910678A
Cited
US1346058A
Cited
US2895368A
Cited
US2985898A
Cited
US2854099A
Cited
US3298725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |