US3005251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn fluid treatment process and apparatus
Assignee: EIDP Inc
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Filing: 1958-12-19
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Granted: 1961-10-24
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Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl Edward Hallden
- 👤 Murenbeeld Karel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:25
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR IMPARTING TO A SYNTHETIC LINEAR POLYMERIC STRAND A DYEABILITY RATE AT LEAST 75% GREATER THAN THAT OF THE STARTING MATERIAL, COMPRISING CONTINUOUSLY FEEDING THE STRAND INTO A TREATING CHAMBER IN A DIRECTION PASSING ACROSS AN OBSTACLE SURFACE WITHIN THE CHAMBER, JETTING A PLASTICIZING STREAM OF COMPRESSIBLE FLUID HAVING A TEMPERATURE OF AT LEAST 300*F. AT HIGHT VELOCITY INTO THE CHAMBER ACROSS SAID STRAND FEED DIRECTION AT AN ANGLE OF AT LEAST 20* TO CHANGE THE DIRECTION OF MOVEMENT OF THE STRAND TOWARD THE OBSTACLE SURFACE, IMPING-
Claim 2
Dependent Claim
89 words
A PROCESS FOR IMPARTING TO A SYNTHETIC LINEAR POLYMERIC STRAND A DYEABILITY RATE AT LEAST 75% GREATER THAN THAT OF THE STARTING MATERIAL, COMPRISING CONTINUOUSLY FEEDING THE STRAND INTO A TREATING CHAMBER IN A DIRECTION PASSING ACROSS AN OBSTACLE SURFACE WITHIN THE CHAMBER, JETTING A PLASTICIZING STREAM OF COMPRESSIBLE FLUID HAVING A TEMPERATURE OF AT LEAST 300*F. AT HIGHT VELOCITY INTO THE CHAMBER ACROSS SAID STRAND FEED DIRECTION AT AN ANGLE OF AT LEAST 20* TO CHANGE THE DIRECTION OF MOVEMENT OF THE STRAND TOWARD THE OBSTACLE SURFACE, IMPING-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |