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US3203634A Expired / Lapsed US ⏱️ 0.0 years remaining

Suction device for removing a starting length of yarn from a textile coil

Assignee: Individual
•
Filing: 1962-12-10
•
Granted: 1965-08-31
•
Expires: 1982-12-10
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Abstract

No abstract record available.

Inventors

  • 👤 Furst Stefan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:56
CPC Classifications
B; B65; B65H; B65H67/00; B65H67/08; B65H67/086; B65H2701/00; B65H2701/30; B65H2701/31

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 146 words
A SUCTION DEVICE FOR SEEKING AND REMOVING A STARTING LENGTH OF YARN FROM A YARN COIL, COMPRISING A CURVED SUCTION TUBE STRUCTURE HAVING AN OPEN END PORTION SURROUNDING, WHEN IN OPERATION, THE COIL WITH CLEARANCE FOR PULLING THE YARN END BY SUCTION CURRENT INTO SAID TUBE STRUCTURE, SAID TUBE STRUCTURE DEFINING A GIVEN LOCATION OF MINIMUM CURVATURE RADIUS SPACED FROM SAID OPEN END PORTION, SAID STRUCTURE HAVING AIR GUIDING MEANS FOR URGING THE YARN END TO SAID GIVEN LOCATION, A SENSING MEMBER MOUNTED ADJACENT SAID LOCATION OF SAID TUBE STRUCTURE AND RESPONSIVE INTO A RESPONDED CONDITION UPON PRESENCE OF YARN AT SAID LOCATION, AND SIGNAL RESPONSIVE MEANS CONNECTED TO SAID SENSING MEMBER TO BE CONTROLED BY SAID MEMBER WHEN SAID MEMBER IS IN SAID RESPONDED CONDITION FOR SUBSTANTIALLY TERMINATING THE SUCTION CURRENT IN SAID END PORTION WHEN A SUFFICIENT OF YARN IS REMOVED FROM THE COIL.
Claim 2
Dependent Claim 146 words
A SUCTION DEVICE FOR SEEKING AND REMOVING A STARTING LENGTH OF YARN FROM A YARN COIL, COMPRISING A CURVED SUCTION TUBE STRUCTURE HAVING AN OPEN END PORTION SURROUNDING, WHEN IN OPERATION, THE COIL WITH CLEARANCE FOR PULLING THE YARN END BY SUCTION CURRENT INTO SAID TUBE STRUCTURE, SAID TUBE STRUCTURE DEFINING A GIVEN LOCATION OF MINIMUM CURVATURE RADIUS SPACED FROM SAID OPEN END PORTION, SAID STRUCTURE HAVING AIR GUIDING MEANS FOR URGING THE YARN END TO SAID GIVEN LOCATION, A SENSING MEMBER MOUNTED ADJACENT SAID LOCATION OF SAID TUBE STRUCTURE AND RESPONSIVE INTO A RESPONDED CONDITION UPON PRESENCE OF YARN AT SAID LOCATION, AND SIGNAL RESPONSIVE MEANS CONNECTED TO SAID SENSING MEMBER TO BE CONTROLED BY SAID MEMBER WHEN SAID MEMBER IS IN SAID RESPONDED CONDITION FOR SUBSTANTIALLY TERMINATING THE SUCTION CURRENT IN SAID END PORTION WHEN A SUFFICIENT OF YARN IS REMOVED FROM THE COIL.

References Cited (Backward Citations)

US2208930A Cited
US2338914A Cited
US2780908A Cited
US2812632A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-30 1969-03-01 1969-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-30 1973-03-01 1973-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-30 1977-03-01 1977-08-31 $7700.00 Window Closed / Lapsed

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