US3432977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Application of shaped charge to earth anchor
Assignee: United States Department of the Navy
•
Filing: 1967-03-08
•
Granted: 1969-03-18
•
Expires: 1987-03-08
Abstract
No abstract record available.
Inventors
- 👤 James E Scholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:14
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/806; E02D5/22; E02D5/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3115226A
Cited
US3228153A
Cited
US3233415A
Cited
US3222842A
Cited
US3343313A
Cited
US3324666A
Cited
US3305985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |