US3283540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle selecting devices
Assignee: Individual
•
Filing: 1963-03-14
•
Granted: 1966-11-08
•
Expires: 1983-03-14
Abstract
No abstract record available.
Inventors
- 👤 Levin Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:16
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/66; D04B15/68
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
213 words
IN A NEEDLE SELECTING DEVICE FOR A CIRCULAR KNITTING MACHINE HAVING A SLOTTED NEEDLE CYLINDER AND VERTICALLY MOVABLE NEEDLES THEREIN, NEEDLE RAISING MEMBERS IN SAID SLOTS AND SELECTIVELY MOVABLE RADIALLY THEREOF FROM AN OUTER NORMAL POSITION TO A FIRST INTERMEDAITE AND TO A SECOND FULLY INWARD POSITION, SAID MEMBER HAVING RAISE BUTTS THEREON, CIRCUMFERENTIALLY EXTENDING CAM RAISE MEANS MOVABLE RELATIVE TO SAID CYLINDER AND ACTING ON A COMMON EDGE OF SAID RAISE BUTTS TO RAISE MEMBERS IN SAID FIRST INTERMEDIATE POSITION TO A FIRST LOWER LEVEL AND TO RAISE MEMBERS IN SAID OUTER NORMAL POSITION TO A SECOND HIGHER LEVEL ABOVE FROM SAID COMMON LEVEL WHILE PERMITTING MEMBERS IN SAID SECOND FULLY INWARD POSITION TO REMAIN AT SAID COMMON LEVEL, AND SELECTING MEANS MOVABLE RELATIVE TO SAID CYLINDER TO MOVE A FIRST SELECTION OF SAID MEMBERS TO SAID FIRST INTERMEDITE POSITION AND TO MOVE A SECOND SELECTION THEREOF TO SAID SECOND FULLY INWARDLY POSITION WHILE PERMITTING OTHER MEMBERS TO REMAIN IN SAID OUTER NORMAL POSITION, THE SAID SELECTIONS BEING MADE AT THE SAME PLACE RELATIVE TO SAID CAM RAISE MEANS, SAID CAM RAISE MEANS RETAINING SAID SELECTED MEMBERS IN SAID FIRST INTERMEDIATE AND SECOND FULLY INWARD POSITIONS WHILE MEMBERS IN SAID FIRST INTERMEDIATE AND IN SAID OUTER NORMAL POSITIONS ARE BEING RAISED THEREBY.
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |