AIRFOIL TEXTRON INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5112545 Composite preforms and articles and methods for their manufactureExpiredFeb 14, 90May 12, 92[B29D, D02G, B01D]
5049036 Composite blade with divergent root and method for making sameExpiredNov 29, 89Sep 17, 91[F01D]
5018271 Method of making a composite blade with divergent rootExpiredSep 09, 88May 28, 91[B21K]
5013216 Composite blade perform with divergent rootExpiredNov 29, 89May 07, 91[F01D]
5001961 Braided preformExpiredNov 29, 89Mar 26, 91[D04C, D06P]
4984502 Apparatus and method for braiding fiber strands and stuffer fiber strandsExpiredMay 09, 88Jan 15, 91[D04C]
4922798 Apparatus and method for braiding fiber strandsExpiredMay 09, 88May 08, 90[D04C]
4916997 Method for making 3D fiber reinforced metal/glass matrix composite articleExpiredMay 10, 88Apr 17, 90[D04C, B29C, B29B]
4885973 Method of making composite articlesExpiredDec 14, 88Dec 12, 89[D04C, B32B]
4782992 Method of forming articlesExpiredNov 21, 86Nov 08, 88[B32B]

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