Patent US5396890A successfully refreshed from Google Patents.
US4949761A
Expired / Lapsed
US
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Spheroidally contoured fabric
Assignee: ONHSTAD THOMAS S
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Filing: 1988-12-07
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Granted: 1990-08-21
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Expires: 2008-12-07
Abstract
Abstract A contoured continuous length fabric having warp yarns extending latitudinally thereof which are positioned closer together as they approach the outer contoured surface of the fabric and weft yarns extending longitudinally and being substantially equally spaced along the length thereof relative to each other.
Inventors
- 👤 Gilles A. Fleury
- 👤 Robert L. Lavallee
- 👤 Thomas S. Ohnstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:33
CPC Classifications
D; D03; D03D; D03D3/00; D03D3/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
A curved contoured continuous length fabric having warp yarns extending latitudinally along the length of said fabric and weft yarns extending longitudinally across the width of said fabric, said warp yarns being positioned closer together, as they approach the outer curved surface of the fabric, and said weft yarns being substantially equally spaced lengthwise relative to each other.
Claim 2
Dependent Claim
58 words
A curved contoured continuous length fabric having warp yarns extending latitudinally along the length of said fabric and weft yarns extending longitudinally across the width of said fabric, said warp yarns being positioned closer together, as they approach the outer curved surface of the fabric, and said weft yarns being substantially equally spaced lengthwise relative to each other.
Claim 3
Dependent Claim
17 words
The fabric as claimed in claim 1 having a substantially uniform number of yarns per unit area.
Claim 4
Dependent Claim
20 words
The fabric as claimed in claim 1 comprising yarns selected from the group consisting of carbon, E-glass and S2-glass yarns.
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) | 1993-08-20 | 1994-02-19 | 1994-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-20 | 1998-02-19 | 1998-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-20 | 2002-02-19 | 2002-08-21 | $7700.00 | Window Closed / Lapsed |