Patent US4631758A successfully refreshed from Google Patents.
Patent US3113435A successfully refreshed from Google Patents.
US3113435A
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US
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Composite metal reinforced sheet means
Assignee: Individual
•
Filing: 1960-03-29
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Granted: 1963-12-10
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Expires: 1980-03-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley G Yount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:17
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/122; E02B3/126; B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/45; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24339; Y10T428/24347; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A COMPOSITE CONSTRUCTION, PLIANT SHEET MEMBER FOR USE IN LINING EARTH-FORMED IRRIGATION CHANNELS, RESERVOIRS AND THE LIKE, AND ADAPTED TO BE ROLLED INTO ROLL FORM OR STACKED IN DISCRETE READILY SEPARABLE SHEETS, COMPRISING: AN ELONGATED SHEET OF THIN METAL MATERIAL HAVING PARALLEL LONGITUDINAL EDGES AND TOP AND BOTTOM SURFACES; A PERMANENT COVERING MEANS INCLUDING A BITUMINOUS COMPOSITION BONDED TO EACH SURFACE AND SPACED FROM ONE EDGE TO DE-
Claim 2
Dependent Claim
68 words
A COMPOSITE CONSTRUCTION, PLIANT SHEET MEMBER FOR USE IN LINING EARTH-FORMED IRRIGATION CHANNELS, RESERVOIRS AND THE LIKE, AND ADAPTED TO BE ROLLED INTO ROLL FORM OR STACKED IN DISCRETE READILY SEPARABLE SHEETS, COMPRISING: AN ELONGATED SHEET OF THIN METAL MATERIAL HAVING PARALLEL LONGITUDINAL EDGES AND TOP AND BOTTOM SURFACES; A PERMANENT COVERING MEANS INCLUDING A BITUMINOUS COMPOSITION BONDED TO EACH SURFACE AND SPACED FROM ONE EDGE TO DE-
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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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |