US3360964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp-knitting machine and warp knitting made thereby
Assignee: VEB WERKMASCHINENBAU LIMBACH-OBERFROHNA
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Filing: 1965-01-06
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Granted: 1968-01-02
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Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 Landgraf Hugo Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:09
CPC Classifications
D; D04; D04B; D04B23/00; D04B23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A WARP-KNITTING MACHINE COMPRISING, IN COMBINATION, TWO ROWS OF RECIPROCABLE EYE NEEDLES ADAPTED FOR MUTUAL LOOP TRANSFER, A NEEDLE BAR FOR EACH ROW OF SAID EYE NEEDLES, MEANS FOR INDEPENDENTLY RECIPROCATING EACH NEEDLE BAR SUBSTANTIALLY AT RIGHT ANGLES WITH RESPECT TO ONE ANOTHER, WHEREIN EACH NEEDLE HAS A SHAFT PORTION AND A FRONT PORTION OBLIQUELY BENT TO THE SAME SIDE IN BOTH EYE-NEEDLE ROWS, THERE BEING AN OUTERMOST SUMMIT POINT ON EACH NEEDLE BETWEEN SAID SHAFT AND SAID FRONT PORTIONS, THE ENDS OF THE FRONT PORTIONS IN ONE EYE-NEEDLE ROW BEING APPROXIMATELY OPPOSITE SAID SUMMIT POINTS OF THE NEEDLES IN THE OTHER EYE-NEEDLE ROW, AND MEANS FOR GUIDING RESPECTIVE WARP AND WEFT YARNS TO SAID EYE-NEEDLE ROWS.
Claim 2
Dependent Claim
117 words
A WARP-KNITTING MACHINE COMPRISING, IN COMBINATION, TWO ROWS OF RECIPROCABLE EYE NEEDLES ADAPTED FOR MUTUAL LOOP TRANSFER, A NEEDLE BAR FOR EACH ROW OF SAID EYE NEEDLES, MEANS FOR INDEPENDENTLY RECIPROCATING EACH NEEDLE BAR SUBSTANTIALLY AT RIGHT ANGLES WITH RESPECT TO ONE ANOTHER, WHEREIN EACH NEEDLE HAS A SHAFT PORTION AND A FRONT PORTION OBLIQUELY BENT TO THE SAME SIDE IN BOTH EYE-NEEDLE ROWS, THERE BEING AN OUTERMOST SUMMIT POINT ON EACH NEEDLE BETWEEN SAID SHAFT AND SAID FRONT PORTIONS, THE ENDS OF THE FRONT PORTIONS IN ONE EYE-NEEDLE ROW BEING APPROXIMATELY OPPOSITE SAID SUMMIT POINTS OF THE NEEDLES IN THE OTHER EYE-NEEDLE ROW, AND MEANS FOR GUIDING RESPECTIVE WARP AND WEFT YARNS TO SAID EYE-NEEDLE ROWS.
References Cited (Backward Citations)
US1286349A
Cited
DE651926C
Cited
GB526661A
Cited
US3069885A
Cited
US3099921A
Cited
US3143868A
Cited
US3071951A
Cited
US3148519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |