Powell Manufacturing Co.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0017,308 Tobacco leaf handling assemblyAbandonedOct 16, 01Feb 14, 02[A24B, A24C]
6321758 Tobacco leaf handling assemblyExpiredJun 04, 99Nov 27, 01[A24B, B60P]
4897183 Litter screening and separating apparatusExpiredJun 10, 87Jan 30, 90[B07B]
4476669 Tobacco combine with selective conveyor raisingExpiredOct 05, 82Oct 16, 84[A01D]
4430849 Harvester for tea or the likeExpiredNov 03, 81Feb 14, 84[A01D]
4424024 Bulk curing with solid fuelExpiredNov 16, 81Jan 03, 84[F27B]
4391084 Tobacco defoliating units with overlapping cutting edgesExpiredJan 28, 82Jul 05, 83[A01D]
4379669 Tobacco handling apparatusExpiredNov 17, 80Apr 12, 83[A01D]
4318560 Tobacco supporting tine structure with improved locking meansExpiredApr 21, 80Mar 09, 82[A24B]
4230054 Earth-working implementExpiredAug 16, 78Oct 28, 80[A01C]
4220350 Tongue for connecting a draft implement to a towing vehicleExpiredJan 08, 79Sep 02, 80[B60D]
4206815 Tool bar arrangementExpiredOct 10, 78Jun 10, 80[A01B]

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