US3570269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for and method of operating the needles of warp knitting machines
Assignee: Boeing North American Inc
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Filing: 1969-05-05
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Granted: 1971-03-16
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Expires: 1989-05-05
Abstract
Abstract MEANS FOR AND A METHOD OF OPERATING PIVOTED LATCH NEEDLES OF A WRAP KNITTING MACHINE ALONG A KNITTING PATH IN WHICH THE LATCH OF THE NEEDLES ARE OPENED AND HELD IN OPEN POSITIONS BY THE STICHES OF ONE COURSE OF A FABRIC FORMED BY THE NEEDLES WHILE YARN IS LAPPED AROUND THE NEEDLES FOR THE NEXT COURSE OF STICHES OF THE FABRIC.
Inventors
- 👤 John D Wenrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:18
CPC Classifications
D; D04; D04B; D04B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |