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US3234626A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for hot and cold crimping of textile filaments

Assignee: Monsanto Co
•
Filing: 1963-10-28
•
Granted: 1966-02-15
•
Expires: 1983-10-28
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Abstract

No abstract record available.

Inventors

  • 👤 James M Faria

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 01:14
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)

US2647285A Cited
US3022545A Cited
US2972798A Cited
US2917784A Cited
US3041706A Cited

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

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