Patent US3157256A successfully refreshed from Google Patents.
US3157256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice anchor
Assignee: Lanteris Space LLC
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Filing: 1961-08-25
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Granted: 1964-11-17
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Expires: 1981-08-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel C Latta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:58
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ICE-ANCHOR COMPRISING A FIRST DISK OF RIGID METAL HAVING A PREDETERMINED DIAMETER AND PROVIDED WITH AN INTURNED MARGINAL EDGE PORTION TO DEFINE A LARGER PANSHAPED MEMBER, A SECOND DISK OF RIGID METAL HAVING A DIAMETER LESS THAN SAID FIRST DISK AND PROVIDED WITH AN INTURNED MARGINAL EDGE PORTION TO DEFINE A SMALLER PANSHAPED MEMBER, AND MEANS FIXEDLY INTERCONNECTING SAID DISKS CONCENTRICALLY WITH RESPECT TO EACH OTHER, SAID SMALLER PAN-SHAPED MEMBER BEING NESTED WITHIN THE CONFINES OF SAID LARGER PAN-SHAPED MEMBER.
Claim 2
Dependent Claim
81 words
AN ICE-ANCHOR COMPRISING A FIRST DISK OF RIGID METAL HAVING A PREDETERMINED DIAMETER AND PROVIDED WITH AN INTURNED MARGINAL EDGE PORTION TO DEFINE A LARGER PANSHAPED MEMBER, A SECOND DISK OF RIGID METAL HAVING A DIAMETER LESS THAN SAID FIRST DISK AND PROVIDED WITH AN INTURNED MARGINAL EDGE PORTION TO DEFINE A SMALLER PANSHAPED MEMBER, AND MEANS FIXEDLY INTERCONNECTING SAID DISKS CONCENTRICALLY WITH RESPECT TO EACH OTHER, SAID SMALLER PAN-SHAPED MEMBER BEING NESTED WITHIN THE CONFINES OF SAID LARGER PAN-SHAPED MEMBER.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |