Patent US4802346A successfully refreshed from Google Patents.
US4802346A
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Method of warp knitting
Assignee: EIDP Inc
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Filing: 1987-12-21
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Granted: 1989-02-07
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Expires: 2007-12-21
Abstract
Abstract Warp-knit fabric having a two-course repeat pattern of alternating first and second bar yarns. The fabric is prepared by interlocking the first and second bar yarns using a combination of knit and layed-in stitches in opposite fashion.
Inventors
- 👤 Bahrat J. Gajjar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:23
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/22; D04B21/00; D04B21/14; D04B21/18
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
86 words
A method of warp knitting a plurality of threads from at least two guide bars on a warp knitting machine operating in a repeating stitch pattern which comprises the steps of: operating first guide threads in a repeating stitch pattern of alternating laid-in and knit-in stitches, while operating second guide threads in a repeating stitch pattern that is opposite to said first guide threads stitch pattern wherein when said first guide threads are laid-in, said second guide threads are knit-in, and subsequently repeating both stitch patterns.
Claim 2
Independent Claim
86 words
A method of warp knitting a plurality of threads from at least two guide bars on a warp knitting machine operating in a repeating stitch pattern which comprises the steps of: operating first guide threads in a repeating stitch pattern of alternating laid-in and knit-in stitches, while operating second guide threads in a repeating stitch pattern that is opposite to said first guide threads stitch pattern wherein when said first guide threads are laid-in, said second guide threads are knit-in, and subsequently repeating both stitch patterns.
Claim 3
Dependent Claim
28 words
The method of claim 1, including the additional step of operating third guide threads in conjunction with said first and second guide threads in a knit-in stitch pattern.
Claim 4
Dependent Claim
36 words
The method of claim 1, including the additional step of operating third guide threads in conjunction with first and second guide threads in a stitch pattern having a combination of a laid-in and a knit-in stitch.
Claim 5
Dependent Claim
32 words
The method of claim 1, including the additional step of operating third guide threads in conjunction with said first and second guide threads in a stitch pattern in a laid-in stitch pattern.
Claim 6
Independent Claim
16 words
The method of claims 2, 3 or 4 wherein said third guide threads are elastomeric threads.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-07 | 1992-08-08 | 1993-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-07 | 1996-08-08 | 1997-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-07 | 2000-08-08 | 2001-02-07 | $7700.00 | Window Closed / Lapsed |