US3228153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive actuated anchor
Assignee: Harvey Aluminum Inc
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Filing: 1962-07-02
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Granted: 1966-01-11
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Vernon W Luedloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:23
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/24; B63B21/26; B63B21/28; E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN ANCHOR FOR ACTUATION IN A BORE BENEATH GROUND SURFACE INCLUDING: AN ELONGATED TUBULAR BODY WITH A PLURALITY OF PLANES OF WEAKNESS EXTENDING LONGITUDINALLY THEREOF BETWEEN AN UPPER END AND LOWER END, A STEM EXTENDING UPWARDLY THROUGH THE BODY FROM THE LOWER END THEREOF THROUGH THE BORE TO THE GROUND SURFACE, STRESS ABSORBING MEANS ENGAGED BETWEEN THE LOWER END OF THE BODY AND A STOP ON TH STEM, AND AN EXPLOSIVE CHARGE AT THE UPPER END OF THE BODY OPERATIVE TO DEFORM SAID BODY INTO A PLURALITY OF TANGS FOR ENGAGEMENT WITH THE BORE.
Claim 2
Dependent Claim
94 words
AN ANCHOR FOR ACTUATION IN A BORE BENEATH GROUND SURFACE INCLUDING: AN ELONGATED TUBULAR BODY WITH A PLURALITY OF PLANES OF WEAKNESS EXTENDING LONGITUDINALLY THEREOF BETWEEN AN UPPER END AND LOWER END, A STEM EXTENDING UPWARDLY THROUGH THE BODY FROM THE LOWER END THEREOF THROUGH THE BORE TO THE GROUND SURFACE, STRESS ABSORBING MEANS ENGAGED BETWEEN THE LOWER END OF THE BODY AND A STOP ON TH STEM, AND AN EXPLOSIVE CHARGE AT THE UPPER END OF THE BODY OPERATIVE TO DEFORM SAID BODY INTO A PLURALITY OF TANGS FOR ENGAGEMENT WITH THE BORE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |