Appeal No. 1997-2305 Application 08/451,459 to receive thereby from an external electrical source a potential difference thereacross sufficient to strike and maintain an underwater arc when conductive means is interposed therebetween, each electrode being wedge-shaped with inclined uppermost face, the electrodes having their respective thin edges spaced apart and thereby adapted to receive a conductive rod interposed therebetween. 21. Fuel-gas production apparatus, comprising means defining a reactor at least partly filled with water, means providing a submerged underwater electric arc in the reactor, and means providing carbon to the electric arc, whereby carbon and water are converted to fuel gas bubbling up through the water, and means for collecting, compressing, and storing the fuel gas. THE REFERENCE Eldridge et al. (Eldridge) 603,058 Apr. 26, 1898 THE REJECTION Claims 11-30 stand rejected under 35 U.S.C. § 103 as being unpatentable over Eldridge. OPINION We have carefully considered all of the arguments 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007