434. General rule.

No special rules are applicable to the construction of the specification1 of a patent2. As the specification is addressed to the person skilled in the art3, the court must be instructed as to the meaning of technical terms and the background of the art, so as to read the specification with the understanding of the person skilled in the art4. The question of construction is necessarily antecedent to the determination of the issue of infringement5 and of all issues of validity6 depending upon the scope of the claims7.

A court is bound by a decision of a court of equal