Patent US3379003A successfully refreshed from Google Patents.
US3379003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making spun yarn from false twist crimped yarns
Assignee: Individual
•
Filing: 1964-12-28
•
Granted: 1968-04-23
•
Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Maurice S Kanbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:34
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF FORMING SPUN YARN, COMPRISING THE STEPS OF: (A) INDIVIDUALLY TEXTURIZING A PLURALITY OF MULTIFILAMENT SYNTHETIC PLASTIC YARNS BY THE FALSE-TWIST PROCESS TO FORM BULKED YARNS, (B) COLLECTING THE BULKED YARNS INTO A TOW, (C) CHOPPING THE TOW INTO STAPLE LENGTHS, AND (D) SPINNING THE STAPLE LENGTHS TO INTERLOCK THE BULKY FIBERS INTO A CONTINUOUS LENGTH OF SPUN YARN.
Claim 2
Independent Claim
61 words
THE METHOD OF FORMING SPUN YARN, COMPRISING THE STEPS OF: (A) INDIVIDUALLY TEXTURIZING A PLURALITY OF MULTIFILAMENT SYNTHETIC PLASTIC YARNS BY THE FALSE-TWIST PROCESS TO FORM BULKED YARNS, (B) COLLECTING THE BULKED YARNS INTO A TOW, (C) CHOPPING THE TOW INTO STAPLE LENGTHS, AND (D) SPINNING THE STAPLE LENGTHS TO INTERLOCK THE BULKY FIBERS INTO A CONTINUOUS LENGTH OF SPUN YARN.
References Cited (Backward Citations)
US2346258A
Cited
US2733122A
Cited
US3017684A
Cited
US2908944A
Cited
US3255580A
Cited
US3107412A
Cited
US3221385A
Cited
US3129485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |