ASA S.A.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4757680 Spinning installation for making core spun yarnsExpiredJun 24, 86Jul 19, 88[D01H, D02G]
4587802 Process for piecing core spun yarnsExpiredAug 02, 84May 13, 86[D01H]
4584830 Method for producing a fiber-spun yarnExpiredJan 22, 85Apr 29, 86[D01H, D02G]
4549393 Machine for cabling yarns and in particular glass yarnsExpiredJan 11, 84Oct 29, 85[D01H, D02G]
4492075 Method for producing fiber spun yarns and the fiber spun yarns obtained with said methodExpiredJan 17, 83Jan 08, 85[D02G]
4489540 Process and device for obtaining a spun yarn of fibres comprising an internal core and novel types of spun yarns thus madeExpiredJan 17, 83Dec 25, 84[D02G]
4488397 Device for stretching, condensing and transporting a rove of fibers during a spinning operationExpiredJan 17, 83Dec 18, 84[D01H]
4481759 Process and device for making spun yarns comprising a coreExpiredJun 20, 83Nov 13, 84[D01H, D02G]
4420926 Twisting spindle driven by an individual electric motorExpiredJun 21, 82Dec 20, 83[D01H]
4373233 Drive system and drawframe system for a rove drawing processExpiredOct 27, 80Feb 15, 83[D01H]
4364225 Machine for producing self-twisting yarnsExpiredSep 05, 80Dec 21, 82[D02G]
4362010 False twist machineExpiredSep 05, 80Dec 07, 82[D01H]
4351146 Process and device for producing a yarn having alternate twists of opposite directionsExpiredJul 07, 80Sep 28, 82[D01H, D02G]
4345721 Apparatus for the variable speed control of cams in textile machinesExpiredMar 10, 80Aug 24, 82[B65H]
4332132 False-twist apparatusExpiredJun 23, 80Jun 01, 82[D02G]
4328928 Device for holding a tubular support spooling textile materialsExpiredJul 07, 80May 11, 82[B65H]
4315397 Device for twisting a yarn by means of a double twist deviceExpiredApr 29, 80Feb 16, 82[D01H]
4301358 Yarn heating deviceExpiredJan 19, 79Nov 17, 81[H05B]
4247503 Process for production of crimpable chemical yarnsExpiredNov 22, 78Jan 27, 81[D01D]
4215530 Process and apparatus for manufacturing a drawn and twisted multifilament synthetic yarnExpiredJan 09, 79Aug 05, 80[D02J, D01H]

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