MANTON, Circuit Judge.
This suit is for infringement of patent No. 1,715,325, issued May 28, 1927, on an application filed March 18, 1927. The patent related to a spreading apparatus for distributing stone chips or other loose materials over road surfaces. The defense of invalidity was sustained below, and it is the principal question argued on this appeal.
Claims 1, 2, 3, and 8 are relied upon. Claims 5 and 6 were disclaimed by formal disclaimer filed August...
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