Northland/Scott Fetzer Company

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6727621 Motor-based electrical power supplyExpiredApr 22, 03Apr 27, 04[H02K]
6719541 Fan assembly with application to vacuum cleanerExpiredApr 30, 02Apr 13, 04[F04B]
4808090 Vacuum motor fan coverExpiredFeb 10, 83Feb 28, 89[F04B]
4384386 Motor for rotating brushExpiredDec 29, 80May 24, 83[H02K, A47L]
4322647 Motor assemblyExpiredNov 23, 79Mar 30, 82[H02K]
4315343 Double insulated vacuum motor assemblyExpiredMar 17, 80Feb 16, 82[A47L]
4268769 Motor for rotary brushExpiredSep 22, 78May 19, 81[H02K]

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