US3568277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of crimping yarn
Assignee: Klinger Manufacturing Co Ltd
•
Filing: 1970-01-29
•
Granted: 1971-03-09
•
Expires: 1990-01-29
Abstract
Abstract YARN IS C RIMPED BY FORMING IT INTO A CHAIN OF STICHES, SETTING THE CHAIN OF STITCHES IN THE CONFIGURATION OF THE STITCHES WHILE THE CHAIN IS UNDER TENSION, AND THEN UNRAVELLING THE YARN FROM THE CHAIN. APPARATUS FOR CRIMPING INCLUDES A DEVICE FOR KNITTING YARN INTO A CHAIN OF STITCHES, POSITIVE DRIVING MEANS FOR CONVEYING THE CHAIN UNDER TENSION PAST A HEATER, AND MEANS FOR UNRAVELLING YARN FROM THE CHAIN OF STITCHES.
Inventors
- 👤 Denis Albert Edward Mattingly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:56
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |