Appeal No. 96-4183 Application 08/235,625 speculation, unfounded assumptions or hindsight reconstruction to supply deficiencies in the factual basis. See In re Warner, 379 F.2d 1011, 1017, 154 USPQ 173, 178 (CCPA 1967). As such it is the examiner’s duty to establish a factual basis for concluding that Lygas teaches or suggests the placement of the receiver in the data handling sub. The examiner has not met this burden. We have reviewed the disclosures of Lord, Cox, Ely, Hoyle, Schuster, Moser, Waters, Brie and Hsu but these references do not cure the deficiencies of Lygas in this regard. For example, while Cox, Ely, Hoyle, Schuster and Moser disclose downhole logging tools which include transmitters and receivers, these references do not disclose tools which are utilized during drilling. In view of the foregoing, we will not sustain the examiner’s rejection of claim 7 as unpatentable under 35 U.S.C. § 103 based on the use of Lygas as the primary reference. As each of the independent method claims recite a step of receiving an acoustic signal at a location on the drill collar and each of the independent apparatus claims recite that the receiver is mounted on a drill collar, we also will not sustain the rejections of claims 10-16 and 19-24 based on Lygas as the primary reference. 6Page: Previous 1 2 3 4 5 6 7 8 9 NextLast modified: November 3, 2007