Toshiba Heating Appliances Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4800661 Electric ironExpiredMay 18, 87Jan 31, 89[D06F]
D297098 Expresso coffee makerExpiredDec 14, 84Aug 09, 88[]
4734562 Electric toaster ovenExpiredJul 21, 86Mar 29, 88[H05B]
4719762 Stored ice detecting device in ice making apparatusExpiredNov 18, 86Jan 19, 88[F25C]
D291726 Grid-like guard for the front of a portable heaterExpiredMar 07, 84Sep 01, 87[]
D290890 Electric ironExpiredOct 30, 85Jul 14, 87[]
4653464 Portable heating unitExpiredMay 31, 84Mar 31, 87[F24C]
D287752 Heating chamber for a portable heaterExpiredMar 07, 84Jan 13, 87[]
D285335 OilstoveExpiredDec 01, 83Aug 26, 86[]
D283727 OilstoveExpiredMar 07, 84May 06, 86[]
4565121 Apparatus for use in preparing infusionsExpiredNov 26, 84Jan 21, 86[H47J]
D282100 OilstoveExpiredNov 02, 83Jan 07, 86[]
D281998 OilstoveExpiredApr 05, 84Dec 31, 85[]
D278272 OilstoveExpiredAug 03, 82Apr 02, 85[]
D277697 OilstoveExpiredDec 22, 82Feb 19, 85[]
4488536 Warm air blowing heaterExpiredOct 26, 82Dec 18, 84[F24C]
4486170 Liquid fuel combustion apparatusExpiredMay 16, 83Dec 04, 84[F23D]
4483313 Reflection type heaterExpiredFeb 07, 83Nov 20, 84[F24C]
4462173 Radiation base of an electric applianceExpiredSep 28, 81Jul 31, 84[D06F]
4437832 Lamp wick equipment for a combustion apparatusExpiredSep 23, 82Mar 20, 84[F23D]

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