US3080740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular knitting machine
Assignee: Individual
•
Filing: 1960-03-30
•
Granted: 1963-03-12
•
Expires: 1980-03-30
Abstract
No abstract record available.
Inventors
- 👤 Nebel Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:05
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/06; D04B15/00; D04B15/06; D04B15/32; D04B15/34; D04B35/00; D04B35/02; D04B35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
352 words
A METHOD OF OPERATING A CIRCULAR KNITTING MACHINE HAVING A PLURALITY OF NEEDLES EACH HAVING A HOOK AND A MOVABLE LATCH WHICH COMPRISES, IN ONE COURSE, THE STEPS OF OPENING THE LATCHES OF ALL THE NEEDLES, ADVANCING ALL THE NEEDLES WITH OPEN LATCHES, FEEDING YARN INTO THE HOOKS OF ALL THE NEEDLES, RETRACTING AND CLOSING THE LATCHES OF ALTERNATE NEEDLES FORMING A FIRST GROUP ONLY, AND FORMING RELATIVELY SHORT LOOPS ON THE NEEDLES OF SAID FIRST GROUP DURING SUCH RETRACTION; IN A SECOND COURSE, THE STEPS OF ADVANCING THE NEEDLES OF THE FIRST GROUP, DURING SUCH ADVANCING OPENING THE LATCHES OF THE NEEDLES OF SAID FIRST GROUP SO AS TO CAST OFF SAID SMALL LOOPS ONTO THE NEEDLE STEMS, FEEDING YARN TO ALL OF THE HOOKS, RETRACTING ALL OF THE NEEDLES, DURING SUCH RETRACTION CLOSING THE LATCHES OF ALL OF THE NEEDLES, WHEREBY THE NEEDLES OF A SECOND GROUP COMPOSED OF THE REMAINDER OF THE NEEDLES CONTAIN TWO THREADS, FORMING SHORTER DOUBLE LOOPS ON THE NEEDLES OF THE SECOND GROUP AND LONGER LOOPS ON THE NEEDLES OF THE FIRST GROUP DURING SUCH RETRACTION; IN A THIRD COURSE, THE STEPS OF ADVANCING ALL OF THE NEEDLES, DURING SUCH ADVANCING OPENING THE LATCHES OF THE NEEDLES TO CAST OFF THE LOOPS FORMED ON ALL OF THE NEEDLES ONTO THE NEEDLE STEMS, FEEDING YARN TO ALL OF THE HOOKS, RETRACTING AND CLOSING THE LATCHES OF THE NEEDLES OF THE SECOND GROUP ONLY, AND FORMING RELATIVELY SHORT LOOPS ON THE NEEDLES OF THE SECOND GROUP DURING SUCH RETRACTION; AND IN A FOURTH COURSE, THE STEPS OF ADVANCING THE NEEDLES OF THE SECOND GROUP, DURING SUCH ADVANCING OPENING THE LATCHES OF THE NEEDLES OF SAID SECOND GROUP SO AS TO CAST OFF SUCH SMALL LOOPS ONTO THE NEEDLE STEMS, FEEDING YARN TO ALL OF THE HOOKS, RETRACTING ALL OF THE NEEDLES, DURING SUCH RETRACTION CLOSING THE LATCHES OF ALL OF THE NEEDLES, WHEREBY THE NEEDLES OF THE FIRST GROUP CONTAIN TWO THREADS, AND FORMING SHORTER DOUBLE LOOPS ON THE NEEDLES OF THE FIRST GROUP AND LONGER LOOPS ON THE NEEDLES OF THE SECOND GROUP DURING SUCH RETRACTION.
Claim 2
Independent Claim
352 words
A METHOD OF OPERATING A CIRCULAR KNITTING MACHINE HAVING A PLURALITY OF NEEDLES EACH HAVING A HOOK AND A MOVABLE LATCH WHICH COMPRISES, IN ONE COURSE, THE STEPS OF OPENING THE LATCHES OF ALL THE NEEDLES, ADVANCING ALL THE NEEDLES WITH OPEN LATCHES, FEEDING YARN INTO THE HOOKS OF ALL THE NEEDLES, RETRACTING AND CLOSING THE LATCHES OF ALTERNATE NEEDLES FORMING A FIRST GROUP ONLY, AND FORMING RELATIVELY SHORT LOOPS ON THE NEEDLES OF SAID FIRST GROUP DURING SUCH RETRACTION; IN A SECOND COURSE, THE STEPS OF ADVANCING THE NEEDLES OF THE FIRST GROUP, DURING SUCH ADVANCING OPENING THE LATCHES OF THE NEEDLES OF SAID FIRST GROUP SO AS TO CAST OFF SAID SMALL LOOPS ONTO THE NEEDLE STEMS, FEEDING YARN TO ALL OF THE HOOKS, RETRACTING ALL OF THE NEEDLES, DURING SUCH RETRACTION CLOSING THE LATCHES OF ALL OF THE NEEDLES, WHEREBY THE NEEDLES OF A SECOND GROUP COMPOSED OF THE REMAINDER OF THE NEEDLES CONTAIN TWO THREADS, FORMING SHORTER DOUBLE LOOPS ON THE NEEDLES OF THE SECOND GROUP AND LONGER LOOPS ON THE NEEDLES OF THE FIRST GROUP DURING SUCH RETRACTION; IN A THIRD COURSE, THE STEPS OF ADVANCING ALL OF THE NEEDLES, DURING SUCH ADVANCING OPENING THE LATCHES OF THE NEEDLES TO CAST OFF THE LOOPS FORMED ON ALL OF THE NEEDLES ONTO THE NEEDLE STEMS, FEEDING YARN TO ALL OF THE HOOKS, RETRACTING AND CLOSING THE LATCHES OF THE NEEDLES OF THE SECOND GROUP ONLY, AND FORMING RELATIVELY SHORT LOOPS ON THE NEEDLES OF THE SECOND GROUP DURING SUCH RETRACTION; AND IN A FOURTH COURSE, THE STEPS OF ADVANCING THE NEEDLES OF THE SECOND GROUP, DURING SUCH ADVANCING OPENING THE LATCHES OF THE NEEDLES OF SAID SECOND GROUP SO AS TO CAST OFF SUCH SMALL LOOPS ONTO THE NEEDLE STEMS, FEEDING YARN TO ALL OF THE HOOKS, RETRACTING ALL OF THE NEEDLES, DURING SUCH RETRACTION CLOSING THE LATCHES OF ALL OF THE NEEDLES, WHEREBY THE NEEDLES OF THE FIRST GROUP CONTAIN TWO THREADS, AND FORMING SHORTER DOUBLE LOOPS ON THE NEEDLES OF THE FIRST GROUP AND LONGER LOOPS ON THE NEEDLES OF THE SECOND GROUP DURING SUCH RETRACTION.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |