US2697960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener with resilient arms having connected ends
Assignee: Individual
•
Filing: 1953-05-26
•
Granted: 1954-12-28
•
Expires: 1973-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Walsh
- 👤 Earnest E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:10
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191412A
Cited
US2240643A
Cited
US2313358A
Cited
US2301347A
Cited
US2386967A
Cited
US2569392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |