Patent US3234626A successfully refreshed from Google Patents.
US3234626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for hot and cold crimping of textile filaments
Assignee: Monsanto Co
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Filing: 1963-10-28
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Granted: 1966-02-15
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 James M Faria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:03
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/20; D02G1/12; D02G1/127; D02G1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
APPARATUS FOR TEXTURING AND CRIMPING SUCCESSIVELY A CONTINUOUS FILAMENT YARN MADE FROM A THERMOPLASTIC MATERIAL COMPRISING, IN COMBINATION: (A) MEANS FOR ADVANCING YARN AT A PREDETERMINED RATE FROM A SUPPLY, (B) MEANS FOR HEATING THE ADVANCING YARN, (C) MEANS FOR ATTENUATING AND IMPARTING TO SAID YARN POTENTIAL CRIMP WHILE AT AN ELEVATED TEMPERATURE, (D) MEANS FOR COOLING SAID ATTENUATED YARN, AND (E) MEANS FOR SUCCESSIVELY IMPARTING A CRIMPED CONFIGURATION TO SAID POTENTIALLY CRIMPED YARN AFTER SAID YARN HAS BEEN COOLED THEREBY IMPROVING FILAMENTARY COHESION THEREOF.
Claim 2
Dependent Claim
85 words
APPARATUS FOR TEXTURING AND CRIMPING SUCCESSIVELY A CONTINUOUS FILAMENT YARN MADE FROM A THERMOPLASTIC MATERIAL COMPRISING, IN COMBINATION: (A) MEANS FOR ADVANCING YARN AT A PREDETERMINED RATE FROM A SUPPLY, (B) MEANS FOR HEATING THE ADVANCING YARN, (C) MEANS FOR ATTENUATING AND IMPARTING TO SAID YARN POTENTIAL CRIMP WHILE AT AN ELEVATED TEMPERATURE, (D) MEANS FOR COOLING SAID ATTENUATED YARN, AND (E) MEANS FOR SUCCESSIVELY IMPARTING A CRIMPED CONFIGURATION TO SAID POTENTIALLY CRIMPED YARN AFTER SAID YARN HAS BEEN COOLED THEREBY IMPROVING FILAMENTARY COHESION THEREOF.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |