US4096701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattresses for subaqueous structures
Assignee: Imperial Chemical Industries Ltd
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Filing: 1977-02-02
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Granted: 1978-06-27
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Expires: 1997-02-02
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
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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 |