US2745240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite filament and staple yarn
Assignee: Bates Maufacturing Co
•
Filing: 1950-05-18
•
Granted: 1956-05-15
•
Expires: 1970-05-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Brant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A METHOD OF PRODUCING A COMPOSITE YARN HAVING THE APPEARANCE OF A STAPLE YARN, WHICH COMPRISES DOUBLING A FIRST TOW OF INCOMPLETELY ORIENTED, CONTINUOUS AND HIGHLY EXTENSIBLE FILAMENTS WITH A SECOND TOW OF CONTINUOUS FILAMENTS OF SUBSTANTIALLY LOWER EXTENSIBILITY, DRAFTING THE DOUBLED TOWS AN AMOUNT SUFFICIENT TO ELONGATE PERMANENTLY BY AT LEAST ABOUT 100% AND ORIENT AND IMPART MAXIMUM TENSILE STRENGTH TO THE FILAMENTS IN THE FIRST TOW WITHOUT BREAKING THEM AND TO BREAK THE FILAMENTS IN THE SECOND TOW, AND TWISTING THE YARN SO PRODUCED.
References Cited (Backward Citations)
US1976201A
Cited
GB415054A
Cited
US2044130A
Cited
US2130948A
Cited
US2132524A
Cited
US2313058A
Cited
US2477652A
Cited
US2526523A
Cited
US2517946A
Cited
US2433722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |