Patent US3282056A successfully refreshed from Google Patents.
US3282056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible retaining wall structure
Assignee: Armco Inc
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Filing: 1961-07-24
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Granted: 1966-11-01
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Christopher L Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:49
CPC Classifications
E; E01; E01F; E01F7/00; E01F7/04; E01F7/045; E01D; E01D1/00; E01D19/00; E01D19/02; E02; E02D; E02D29/00; E02D29/02; E01D2101/00; E01D2101/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A LOAD BEARING STRUCTURE COMPRISING A CORRUGATED SHEET METAL WALL WHICH IS ARCUATE ABOUT A HORIZONTAL AXIS, SAID WALL HAVING AN ELONGATED SUBSTANTIALLY HORIZONTAL LOWER EDGE PORTION AND AN ELONGATED UPPER PORTION SUBSTANTIALLY PARALLELING SAID LOWER EDGE PORTION, THE CORRUGATIONS IN SAID WALL RUNNING CONTINUOUSLY FROM SAID LOWER EDGE PORTION THEREOF TO SAID UPPER PORTION THEREOF, SAID CORRUGATED WALL BY REASON OF ITS ARCUATE CURVATURE HAVING A CONCAVE SIDE WHICH IS EXPOSED AND A CONVEX SIDE AGAINST WHICH COMPACTED FILL MATERIAL IS POSITIONED, MEANS HOLDING THE SAID LOWER EDGE PORTION OF SAID WALL AGAINST MOVEMENT DOWNWARDLY AND AWAY FROM SAID FILL IN A HORIZONTAL DIRECTION, MEANS FOR HOLDING SAID UPPER PORTION OF THE WALL AGAINST MOVEMENT LATERALLY OF SAID UPPER PORTION AND AWAY FROM SAID FILL, SAID LAST MENTIONED MEANS COMPRISING TYING MEANS ATTACHED TO SAID UPPER WALL PORTION AND EXTENDING AWAY FROM THE CONVEX SIDE OF SAID WALL AND ANCHORING MEANS HOLDING SAID TYING MEANS AGAINST MOVEMENT IN A DIRECTION AWAY FROM THE ANCHORING MEANS.
Claim 2
Dependent Claim
166 words
A LOAD BEARING STRUCTURE COMPRISING A CORRUGATED SHEET METAL WALL WHICH IS ARCUATE ABOUT A HORIZONTAL AXIS, SAID WALL HAVING AN ELONGATED SUBSTANTIALLY HORIZONTAL LOWER EDGE PORTION AND AN ELONGATED UPPER PORTION SUBSTANTIALLY PARALLELING SAID LOWER EDGE PORTION, THE CORRUGATIONS IN SAID WALL RUNNING CONTINUOUSLY FROM SAID LOWER EDGE PORTION THEREOF TO SAID UPPER PORTION THEREOF, SAID CORRUGATED WALL BY REASON OF ITS ARCUATE CURVATURE HAVING A CONCAVE SIDE WHICH IS EXPOSED AND A CONVEX SIDE AGAINST WHICH COMPACTED FILL MATERIAL IS POSITIONED, MEANS HOLDING THE SAID LOWER EDGE PORTION OF SAID WALL AGAINST MOVEMENT DOWNWARDLY AND AWAY FROM SAID FILL IN A HORIZONTAL DIRECTION, MEANS FOR HOLDING SAID UPPER PORTION OF THE WALL AGAINST MOVEMENT LATERALLY OF SAID UPPER PORTION AND AWAY FROM SAID FILL, SAID LAST MENTIONED MEANS COMPRISING TYING MEANS ATTACHED TO SAID UPPER WALL PORTION AND EXTENDING AWAY FROM THE CONVEX SIDE OF SAID WALL AND ANCHORING MEANS HOLDING SAID TYING MEANS AGAINST MOVEMENT IN A DIRECTION AWAY FROM THE ANCHORING MEANS.
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |