US4307587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knitted fabric with a new pattern and a process for its production
Assignee: Bayer AG
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Filing: 1977-11-15
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Granted: 1981-12-29
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Expires: 1997-11-15
Abstract
Abstract The invention is related to elastic warp knitted articles comprising as warp threads elastic yarns which have been formed into three or more adjacent stitches in one course.
Inventors
- 👤 Harald Baesgen
- 👤 Helmut Schillings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:51
CPC Classifications
D; D04; D04B; D04B21/00; D04B21/14; D04B21/18
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
31 words
An elastic warp knitted article formed by one, or more, fully threaded guide bars of elastic yarns which have been knitted into at least three immediately adjacent stitches in one course.
Claim 2
Dependent Claim
31 words
An elastic warp knitted article formed by one, or more, fully threaded guide bars of elastic yarns which have been knitted into at least three immediately adjacent stitches in one course.
Claim 3
Dependent Claim
14 words
The article of claim 1, wherein said elastic yarn is an elastic polyurethane yarn.
Claim 4
Dependent Claim
21 words
The article of claim 1, wherein said elastic yarns have been formed into three or four adjacent stitches in one course.
Claim 5
Dependent Claim
47 words
A process for producing an elastic warp knitted article with a fully threaded guide bar of elastic yarns which comprises feeding said yarns to at least three immediately adjacent needles on a warp knitting machine to form at least three immediately adjacent connected stitches in one course.
Claim 6
Dependent Claim
47 words
A process for producing an elastic warp knitted article with a fully threaded guide bar of elastic yarns which comprises feeding said yarns to at least three immediately adjacent needles on a warp knitting machine to form at least three immediately adjacent connected stitches in one course.
Claim 7
Dependent Claim
20 words
The process of claim 4, wherein the stitches are formed over three or four adjacent knitting needles in one course.
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) | 1984-12-28 | 1985-06-29 | 1985-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-28 | 1989-06-29 | 1989-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-28 | 1993-06-29 | 1993-12-29 | $7700.00 | Window Closed / Lapsed |