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US3222857A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of and device for treating yarns, threads, and the like with a fluid medium during the spinning or twisting operation

Assignee: Individual
•
Filing: 1963-08-01
•
Granted: 1965-12-14
•
Expires: 1983-08-01
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Abstract

No abstract record available.

Inventors

  • 👤 Keyser Johann Jacob

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:44
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/30; D01H13/306

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 77 words
THE METHOD OF FLUID TREATMENT OF YARN DURING TWISTING WHICH COMPRISES TWISTING SAID YARN DURING LINEAL MOVEMENT THROUGH A TWISTING ZONE OF A SPINNING AND TWISTING MACHINE, AND DIRECTING A STREAM OF TREATING FLUID UNDER PRESSURE AT THE YARN AS IT ENTERS SAID TWISTING ZONE DURING TWISTING OF THE YARN SO THAT SAID FLUID IMPINGES ON SAID YARN AND PENETRATES THE FIBERS SIMULTANEOUSLY WITH SAID TWISTING, SAID STREAM BEING CONFINED TO SAID YARN IN SAID TWISTING ZONE.

References Cited (Backward Citations)

GB225559A Cited
US1560575A Cited
DE598468C Cited
US2089778A Cited
US2123235A Cited
GB665594A Cited
US2671304A Cited
US2715308A Cited
US2803939A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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