Lynes v. Lehnhard

This is an appeal from the decision of the Board of Interference Examiners of the United States Patent Office awarding Lehnhard priority upon the four counts (numbered 1,2, 3, and 4) involved in an interference proceeding. The subject matter of the invention is described in the decision of the board as follows:

The subject matter of this interference relates to a treating tool for wells, whereby a specified increment of a well bore may be treated with liquid under pressure. The tool includes a body and a pair of spaced expansible packers mounted thereon. A discharge section is located between…