US3517402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bolts
Assignee: SPS Technologies LLC
•
Filing: 1969-02-03
•
Granted: 1970-06-30
•
Expires: 1989-02-03
Abstract
No abstract record available.
Inventors
- 👤 George R Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/56; F; F16; F16B; F16B35/00; F16B4/00; F16B4/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |