MOORMAN, Circuit Judge.
The patent in suit, Shurtleff reissue No. 18,374, is for a heating and ventilating unit. It makes 34 claims, 20 of which were alleged in the bill to be infringed. The defenses were lack of invention, invalidity in view of the prior art and prior uses, and noninfringement. The lower court passed only on those of lack of invention and invalidity because of prior art and publications, sustaining both and dismissing the bill.
It is apparent...
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