US2931471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener and its use
Assignee: Individual
•
Filing: 1956-03-30
•
Granted: 1960-04-05
•
Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:42
CPC Classifications
B; B60; B60R; B60R13/00; B60R13/10; B60R13/105; F; F16; F16B; F16B5/00; F16B5/10; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32532
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1668756A
Cited
US1881836A
Cited
US1792445A
Cited
US2025004A
Cited
US2055166A
Cited
US2100041A
Cited
US2306975A
Cited
US2567902A
Cited
US2596332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |