US3418012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener for prestressing objects connected thereby
Assignee: Individual
•
Filing: 1966-10-17
•
Granted: 1968-12-24
•
Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Torre Jack La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:34
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/02; F16B19/00; F16B19/02; F16B35/00; F16B35/04; F16B4/00; F16B4/004; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49945; Y10T29/49947; Y10T29/49948; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |