Patent US3203631A successfully refreshed from Google Patents.
Patent US5080141A successfully refreshed from Google Patents.
US5080141A
Expired / Lapsed
US
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Multiply fabric having center portion with delicate warp threads and lateral portions with robust threads
Assignee: Vorwerk and Co Interholding GmbH
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Filing: 1990-02-16
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Granted: 1992-01-14
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Expires: 2010-02-16
Abstract
Abstract A multiply fabric which has a center portion and lateral marginal portions, the warp threads in the center portion being carbon fibers or glass fibers and the warp threads in the lateral marginal portions being made of a robust material having a high tensile strength, the fabric including at least 20 weft threads per cm of warp threads and a plurality of weft threads in a single shed in the center portion.
Inventors
- 👤 Wolfgang Bottger
- 👤 Kurt Biedermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:30
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F2005/0416; E04; E04D; E04D13/00; E04D13/04; E04D13/0404; E04D13/0409; E04D2013/0413
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
77 words
A fabric which has a center portion and respective lateral marginal portions along opposite sides of said center portion, said center portion including warp threads made of a delicate material and said lateral marginal portions including warp threads made of a robust material, said fabric including weft threads in an amount of at least 20 weft threads per cm of warp threads, a multiplicity of said weft threads in said center portion being in a single shed.
Claim 2
Dependent Claim
77 words
A fabric which has a center portion and respective lateral marginal portions along opposite sides of said center portion, said center portion including warp threads made of a delicate material and said lateral marginal portions including warp threads made of a robust material, said fabric including weft threads in an amount of at least 20 weft threads per cm of warp threads, a multiplicity of said weft threads in said center portion being in a single shed.
Claim 3
Dependent Claim
19 words
A fabric according to claim 1, wherein said warp threads in said center portion are made of carbon fibers.
Claim 4
Dependent Claim
19 words
A fabric according to claim 1, wherein said warp threads in said center portion are made of glass fibers.
Claim 5
Dependent Claim
21 words
A fabric according to claim 1, wherein said center part is three-dimensionally woven and said lateral marginal parts are two-dimensionally woven.
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) | 1995-01-13 | 1995-07-15 | 1996-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-13 | 1999-07-15 | 2000-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-13 | 2003-07-15 | 2004-01-14 | $7700.00 | Window Closed / Lapsed |