US3220078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fastener
Assignee: Elastic Stop Nut Corp
•
Filing: 1963-08-08
•
Granted: 1965-11-30
•
Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Preziosi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:29
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16B21/08; F16B21/086; F16B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR1193882A
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US3116526A
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US3109214A
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |