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US4096701A Expired / Lapsed US ⏱️ 0.0 years remaining

Mattresses for subaqueous structures

Assignee: Imperial Chemical Industries Ltd
•
Filing: 1977-02-02
•
Granted: 1978-06-27
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Expires: 1997-02-02
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Abstract

Abstract A mattress for civil engineering use, including use in subaqueous structures, comprising two plies of synthetic fabric, one of which is non-woven, the other being woven, said plies being joined through sewn threads along one length of the mattress in parallel lines 10-100 cm apart with at 10-100 cm intervals, 2-8 cm lengths of unsewn threads forming loops for tying on fascines, said mattress being provided with fascines attached by means of said loops.

Inventors

  • 👤 Cornelis Den Boer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:26
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/122; E02B3/126; B32B5/02; B32B5/022; B32B5/024; B32B5/06; B32B2262/00; B32B2262/02; B32B2262/0253; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/3724

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 83 words
A mattress for civil engineering use, including use in subaqueous structures, comprising two plies of synthetic fabric, one of which is non-woven, the other being woven, said plies being joined by sewn threads along one length of the mattress in parallel lines 10-100 cm apart with at 10-100 cm intervals, 2-8 cm lengths of unsewn threads forming loops for tying on fascines, said mattress being provided with fascines attached by means of said loops, said fascines being formed from tubes of non-woven fabric.
Claim 2
Dependent Claim 83 words
A mattress for civil engineering use, including use in subaqueous structures, comprising two plies of synthetic fabric, one of which is non-woven, the other being woven, said plies being joined by sewn threads along one length of the mattress in parallel lines 10-100 cm apart with at 10-100 cm intervals, 2-8 cm lengths of unsewn threads forming loops for tying on fascines, said mattress being provided with fascines attached by means of said loops, said fascines being formed from tubes of non-woven fabric.
Claim 3
Dependent Claim 16 words
A mattress according to claim 1 in which the tubes are filled with a plastics foam.

References Cited (Backward Citations)

GB990519A Cited
GB1022319A Cited
US3811287A Cited
GB1213428A Cited
US3649428A Cited
NL7011473A Cited
DE2263684A1 Cited
DE2320801A1 Cited
US4002034A Cited
FR2289340A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-06-26 1981-12-26 1982-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-06-26 1985-12-26 1986-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-06-26 1989-12-26 1990-06-27 $7700.00 Window Closed / Lapsed

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