US3115226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor apparatus
Assignee: Individual
•
Filing: 1960-03-31
•
Granted: 1963-12-24
•
Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Jesse C Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:23
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/803; E02D5/806
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
GROUND ANCHORING APPARATUS COMPRISING A HOLLOW TUBE ADAPTED TO RECEIVE A REMOVABLE PLUG ON ITS UPPER END WHEN SAID HOLLOW TUBE IS BEING POSITIONED IN THE GROUND, A JAGGED, SHATTERED, PERFORATED, AND RADIALLY EXPANDED SECTION AT THE LOWER END OF SAID HOLLOW TUBE AS IS PRODUCED BY FIRING AN EXPLOSIVE CHARGE IN A PERFORATED SECTION, AN ANCHOR ROD EXTENDING THROUGH SAID HOLLOW TUBE, AND A HINGED ARM ON ONE END OF SAID ANCHOR ROD WHEREBY SAID HINGED ARM ASSUMES AN EXPANDED POSI-
References Cited (Backward Citations)
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US1609260A
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US1587329A
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US1746848A
Cited
FR735381A
Cited
US2269646A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |