Appeal No. 2000-0803 Application 05/333,233 Thompson, one of the examiner’s primary references, pertains to “room or space heaters of the type employing a heat reflecting bowl and a radiant unit which is caused to glow as a result of combustion of natural or artificial gas” (page 1, left hand column, lines 1-4). The radiant unit comprises a tubular radiant B heated by combustion of air and gas. Radiant B “will become incandescent and its heat will be radiated and projected by the reflector 3 to heat the room or other space in which the heater is installed” (page 2, left hand column, lines 41-44). Radiant B is made of wire mesh or wire gauze (page 2, left hand column, lines 24-29). Schade, the other of the examiner’s primary references, is directed to a gas burner 10 comprising a burner head 24 having a honeycomb or gridwork structure 40 through which air and gas fuel pass for combustion at the outlet end 44 of ports 42 (column 2, lines 30-42), a heat absorbing and dissipating element 26, and a converter 8 “which is the ‘load’ of the burner 10, [and which] comprises a cylindrical tubular member 12 closed at each end by insulating discs 18 and 20" (column 2, lines 3-5). Schade explains that the purpose of element 26 is to extract the heat energy from the burner flame in a small 4Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007