Appeal No. 2001-2021 Application No. 09/206,393 considering the level of ordinary skill in the art as of the date of the appellant's application, would have enabled a person of such skill to make and use the appellants’ invention without undue experimentation. In re Strahilevitz, 668 F.2d 1229, 1232, 212 USPQ 561, 563-64 (CCPA 1982). In calling into question the enablement of the appellant's disclosure, the examiner has the initial burden of advancing acceptable reasoning inconsistent with enablement. Id. Although the appellants’ disclosure does not go into specific detail as to how the joy sticks recited in the appealed claims function to control the movement of the motor vehicle, the examiner has not cogently explained why this lack of detail would have prevented a person of ordinary skill in the art from making and using the claimed vehicle control arrangement without undue experimentation. Indeed, U.S. Patent No. 5,086,870 to Bolduc which is cited in the explanation of the rejection and U.S. Patent Nos. 5,128,671 to Thomas, Jr. and 5,249,272 to Stern which are discussed in and appended to the appellants’ brief ostensibly demonstrate that the joy stick limitations in the claims relate to relatively simple and straightforward elements that, in and of 5Page: Previous 1 2 3 4 5 6 7 8 9 NextLast modified: November 3, 2007