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US3424632A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for production of pile carpeting and the like

Assignee: Adler Process Corp
•
Filing: 1966-01-13
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Granted: 1969-01-28
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Expires: 1986-01-13
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Abstract

No abstract record available.

Inventors

  • 👤 Ralph Michael Adler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 12:19
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T156/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 94 words
A METHOD FOR PRODUCING A PILE FABRIC, SUCH AS CARPETING, RUGS AND THE LIKE, WHICH COMPRISES DISPOSING YARNS ON LOP-FORMING MEMBERS, SAID LOOP-FORMING MEMBERS BEING POSITIONED TRANSVERSELY WITH RESPECT TO SAID YARNS, DEPRESSING SAID YARNS BETWEEN SAID LOOP-FORMING MEMBERS TO FORM LOOPS OF YARN THEREBETWEEN, SAID LOOP-FORMING MEMBERS BEING MAGNETICALLY ATTRACTED TO EACH OTHER AND HELD TOGETHER MAGNETICALLY IN SIDE-BY-SIDE CONTACTING RELATIONSHIP SUCH THAT WHEN SAID LOOPS OF YARN ARE FORMED BETWEEN SAID LOOP-FORMING MEMBERS SAID LOOPS OF YARN TEND TO BE LOCKED BETWEEN SAID LOOP-FORMING MEMBERS DUE TO THE MAGNETIC FORCES ACTING THEREBETWEEN.
Claim 2
Independent Claim 94 words
A METHOD FOR PRODUCING A PILE FABRIC, SUCH AS CARPETING, RUGS AND THE LIKE, WHICH COMPRISES DISPOSING YARNS ON LOP-FORMING MEMBERS, SAID LOOP-FORMING MEMBERS BEING POSITIONED TRANSVERSELY WITH RESPECT TO SAID YARNS, DEPRESSING SAID YARNS BETWEEN SAID LOOP-FORMING MEMBERS TO FORM LOOPS OF YARN THEREBETWEEN, SAID LOOP-FORMING MEMBERS BEING MAGNETICALLY ATTRACTED TO EACH OTHER AND HELD TOGETHER MAGNETICALLY IN SIDE-BY-SIDE CONTACTING RELATIONSHIP SUCH THAT WHEN SAID LOOPS OF YARN ARE FORMED BETWEEN SAID LOOP-FORMING MEMBERS SAID LOOPS OF YARN TEND TO BE LOCKED BETWEEN SAID LOOP-FORMING MEMBERS DUE TO THE MAGNETIC FORCES ACTING THEREBETWEEN.

References Cited (Backward Citations)

US2116048A Cited
US2136828A Cited
US2834806A Cited
US3309252A Cited
US3379222A Cited
US3354914A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-01-28 1972-07-29 1973-01-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-01-28 1976-07-29 1977-01-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-01-28 1980-07-29 1981-01-28 $7700.00 Window Closed / Lapsed

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