MARTIN INDUSTRIES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5669815 Barometric damper with magnetic latchExpiredApr 26, 96Sep 23, 97[F24F]
5139011 Unvented gas-fired heaterExpiredSep 13, 91Aug 18, 92[F24C]
4565184 Combustible particulate fuel heaterExpiredMay 17, 84Jan 21, 86[F24H, F23K, F24B]
D276491 Barbecue grill bodyExpiredNov 04, 82Nov 27, 84[]
4480630 Jacketed combustion type heater with blowback prevention featureExpiredMar 11, 82Nov 06, 84[F23L]
D275439 Gas barbecue grillExpiredAug 23, 82Sep 11, 84[]
4428207 DehumidifierExpiredOct 09, 81Jan 31, 84[G05D, F25D]
4320739 Combustion type heaterExpiredMay 25, 79Mar 23, 82[F24H]
4292954 Wood burning heaterExpiredMay 25, 79Oct 06, 81[F23L, F27D, F01B]

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