HATFIELD, Associate Judge.
This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting claims 85, 86, 87, 91, 94, 97, and 98 in appellant's application for a patent for an alleged invention relating to improvements in "drilling tools of the type particularly adapted for use in conjunction with coal mining apparatus."
Claims 85 and 87 are illustrative of the claims on...
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