Patent US3414957A successfully refreshed from Google Patents.
US3414957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing textile fibers and preparing high-bulk fabrics
Assignee: Eastman Kodak Co
•
Filing: 1964-06-26
•
Granted: 1968-12-10
•
Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Witt I Langstaff
- 👤 Jr Thomas L Shealy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:00
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/18; D06; D06C; D06C7/00; D06C7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE PROCESS OF PREPARING AN ARTICLE HAVING HIGHBULK CHARACTERISTICS COMPRISING BLENDING HEAT-STABLE FIBERS AND HEAT-SHRINKABLE MODACRYLIC FIBERS, FORMING THE BLEND OF FIBERS INTO A YARN, DYEING SAID YARN AT A TEMPERATURE BELOW 160*F., DRYING THE YARN AT A TEMPERATURE BELOW 190*F. IMPARTING ANY SIGNIFICANT SHRINKAGE THERETO, FORMING THE ARTICLE FROM SAID YARN, AND SUBSEQUENTLY HEATING SAID ARTICLE AT A TEMPERATURE ABOVE 200*F. TO THEREBY SHRINK SAID HEAT-SHRINKABLE FIBERS AND BULK THE FORMED ARTICLE.
Claim 2
Dependent Claim
73 words
THE PROCESS OF PREPARING AN ARTICLE HAVING HIGHBULK CHARACTERISTICS COMPRISING BLENDING HEAT-STABLE FIBERS AND HEAT-SHRINKABLE MODACRYLIC FIBERS, FORMING THE BLEND OF FIBERS INTO A YARN, DYEING SAID YARN AT A TEMPERATURE BELOW 160*F., DRYING THE YARN AT A TEMPERATURE BELOW 190*F. IMPARTING ANY SIGNIFICANT SHRINKAGE THERETO, FORMING THE ARTICLE FROM SAID YARN, AND SUBSEQUENTLY HEATING SAID ARTICLE AT A TEMPERATURE ABOVE 200*F. TO THEREBY SHRINK SAID HEAT-SHRINKABLE FIBERS AND BULK THE FORMED ARTICLE.
References Cited (Backward Citations)
GB644804A
Cited
US2810281A
Cited
US2831826A
Cited
US2991538A
Cited
US3046724A
Cited
US3199281A
Cited
US3177644A
Cited
FR1368235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |