Patent US3011228A successfully refreshed from Google Patents.
US3011228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Individual
•
Filing: 1955-08-25
•
Granted: 1961-12-05
•
Expires: 1975-08-25
Abstract
No abstract record available.
Inventors
- 👤 Robert F Driggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:29
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; F; F16; F16B; F16B2200/00; F16B2200/67; Y; Y10; Y10T; Y10T403/00; Y10T403/76
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1076838A
Cited
US1202640A
Cited
US1506442A
Cited
US1778315A
Cited
US1919780A
Cited
US2188400A
Cited
US2150809A
Cited
US2271584A
Cited
US2332705A
Cited
US2461648A
Cited
US2526529A
Cited
US2620248A
Cited
US2673775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |