Patent US3203634A successfully refreshed from Google Patents.
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
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Granted: 1965-08-31
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Furst Stefan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:01
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)
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 |