US3012644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor pile
Assignee: Individual
•
Filing: 1957-11-21
•
Granted: 1961-12-12
•
Expires: 1977-11-21
Abstract
No abstract record available.
Inventors
- 👤 Vern F Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:25
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1261076A
Cited
US1746848A
Cited
US2058751A
Cited
US2174436A
Cited
US2245486A
Cited
US2366997A
Cited
US2633947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |