Appeal No. 98-1243 Application No. 08/679,939 mechanical coupling that releases under the effect of a force acting substantially parallel to the direction of the tension resisting bar, that is, to the plane of the door. The combined teachings of these references fail to establish a prima facie case of obviousness with regard to the subject matter of independent claims 10 and 11 or, it follows, of dependent claim 12, and we therefore will not sustain this rejection. 9Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007