Appeal No. 1997-2162 Application 08/280,430 an electrical control circuit powered by said direct current for operating said jack; wherein said first gate includes an electrical latch controlled by said control circuit and said second gate includes a mechanical latch; a battery coupled to at least a portion of said control circuit for supplying power in the event said alternating current is interrupted, whereby said car can be lowered and said second gate can be opened absent said alternating current. The Examiner relies on the following references: Grove et al. (Grove) 3,902,573 Sept. 2, 1975 Nordskog 4,176,732 Dec. 4, 1979 Shah et al. (Shah) 4,785,915 Nov. 22, 1988 Schauder et al. (Schauder) 4,971,178 Nov. 20, 1990 Gary 5,105,915 Apr. 21, 1992 Warwick-Smith (Hugh) 1 502 921 Mar. 8, 1978 (British Published Specification) Claims 1 and 2 stand rejected under 35 U.S.C. � 103 as being unpatentable over Gary and Nordskog. Claims 3 and 18 stand rejected under 35 U.S.C. � 103 as being unpatentable over Gary, Nordskog, and Schauder. Claims 7, 8, 10, 13 through 16, and 20 through 22 stand rejected under 35 U.S.C. � 103 as being unpatentable over Gary, Shah, and Grove. Claims 11 and 12 stand rejected under 35 U.S.C. � 103 as being unpatentable over Gary, Shah, Grove, and Hugh. 5Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007