Patent FR889186A successfully refreshed from Google Patents.
US3613399A
Expired / Lapsed
US
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Method and apparatus for knitting ladder-proof tubular products
Assignee: Texpatent GmbH
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Filing: 1969-09-04
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Granted: 1971-10-19
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Expires: 1989-09-04
Abstract
Abstract A METHOD AND APPARATUS FOR KNITTING LADDER-PROOF TUBULAR PRODUCTS IN WHICH THE LOOPS ARE TRANSFERRED LATERALLY FROM CERTAIN COURSES TO ADJACENT WALES. THE LOOPS IN THE COURSES FROM WHICH THE LOOPS ARE TRANSFERRED ARE MADE LARGER THAN THE LOOPS IN THE OTHER COURSES SUCH THAT, AFTER TRANSFER, ALL OF THE COURSES OF HAVE LOOPS OF APPROXIMATELY THE SAME SIZE.
Inventors
- 👤 Josef Fecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:09
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/06; D04B15/00; D04B15/02; D04B9/00; D04B9/02; D04B9/025
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) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |