Patent US2858965A successfully refreshed from Google Patents.
US3699686A
Expired / Lapsed
US
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Bottom and bank facing mattress
Assignee: Nicolon BV
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Filing: 1969-11-05
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Granted: 1972-10-24
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Expires: 1989-11-05
Abstract
Abstract A mattress for use in building bottom and bank revetments consists of a woven mat of plastics material to which tubular structures of plastics material are secured as substitutes for conventional fascines, said tubular structures being adapted to be filled with ballast material.
Inventors
- 👤 Jan Gerrit De Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:05
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/122; E02B3/126
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
60 words
A mattress for the protection of soil surfaces, comprising a water-permeable, but sand and silt-tight synthetic yarn fabric in the form of a relatively large continuous mat, a plurality of elongated tubular elements arranged in a grid form, and means connecting said elements to said mat, wherein each said elongated element is formed by a tube of synthetic yarn fabric.
Claim 2
Dependent Claim
60 words
A mattress for the protection of soil surfaces, comprising a water-permeable, but sand and silt-tight synthetic yarn fabric in the form of a relatively large continuous mat, a plurality of elongated tubular elements arranged in a grid form, and means connecting said elements to said mat, wherein each said elongated element is formed by a tube of synthetic yarn fabric.
Claim 3
Dependent Claim
55 words
A mattress according to claim 1, wherein the synthetic yarn fabric of the mat is a double cloth, and, wherein the tubular elements of the grid are formed between the single layers of the double cloth, said layers being interwoven at spaced areas to form a plurality of squares spaced apart by said tubular elements.
Claim 4
Dependent Claim
27 words
A mattress according to claim 1, further comprising a plurality of plastic tubes received respectively in the interior of the respective synthetic fabric elements of the grid.
Claim 5
Dependent Claim
25 words
A mattress for the protection of soil surfaces according to claim 3, wherein at least selected ones of said plastic tubes are filled with ballast.
Claim 6
Dependent Claim
25 words
A mattress for the protection of soil surfaces according to claim 1, wherein at least selected ones of said tubular elements are filled with ballast.
Claim 7
Dependent Claim
26 words
A mattress according to claim 1, further comprising a plurality of bundles of plastic tubes, received respectively in the interior of said tubes of yarn fabric.
Claim 8
Dependent Claim
27 words
A mattress for the protection of soil surfaces according to claim 1, wherein each said tubular element is an individual element which is separate from said mat.
Claim 9
Dependent Claim
53 words
A mattress according to claim 7, wherein said means connecting said elongated elements to said mat includes bundles of filaments woven into the fabric of the mat in spaced strips, the bundles having longitudinally spaced non-woven portions thereby forming loops, and a plurality of ropes tied around said elements and through said loops.
Claim 10
Dependent Claim
49 words
A mattress according to claim 7, in which said means connecting said elongated elements to said mat include bundles of filaments woven into the mat in spaced strips, said bundles having longitudinally spaced non-woven portions thereby forming loops, wherein a plurality of said elements are passed through said loops.
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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |