Draper Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5144817 Yarn feed assemblyExpiredFeb 06, 91Sep 08, 92[D04B]
5133196 Circular weft knitting machineExpiredJun 20, 91Jul 28, 92[D04B]
5065796 Loom temple control system to vary pick densityExpiredOct 02, 90Nov 19, 91[D03J]
5038438 Automated yarn manufacturing systemExpiredMar 21, 90Aug 13, 91[D01G]
4768262 Apparatus and method for textile strand draftingExpiredMar 31, 87Sep 06, 88[D01H]
4649966 Method and apparatus for controlling weft yarn in shuttleless loomsExpiredSep 23, 85Mar 17, 87[D03D]
4616680 Catch-cord drawing device for loomsExpiredJun 08, 84Oct 14, 86[D03D]
4614212 Shedding mechanism for weaving loomsExpiredJun 04, 84Sep 30, 86[D03C]
4610277 Counterbalanced lay motion for high speed weaving loomsExpiredApr 15, 85Sep 09, 86[D03D]
4570684 Tape restraining shoe for shuttleless loomsExpiredApr 30, 84Feb 18, 86[D03D]
4531556 Carrier tape for shuttleless loomsExpiredOct 24, 83Jul 30, 85[D03D]
4489762 Weaving loom selvedge trimmer drive mechanismExpiredApr 11, 83Dec 25, 84[D03D]
4474218 Pick finder apparatus for fluid jet loomsExpiredNov 22, 82Oct 02, 84[D03D]
4259997 Weft carrierExpiredNov 07, 79Apr 07, 81[D03D]
4252156 Tape control device for shuttleless loomsExpiredJan 08, 79Feb 24, 81[D03D]
4249580 Weft control deviceExpiredSep 20, 79Feb 10, 81[D03D]
4245676 Start mark preventer for loomsExpiredNov 08, 79Jan 20, 81[D03D]

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