Lakewood Engineering Co. v. Walker

DENISON, Circuit Judge.

The defendant below appeals from the usual interlocutory decree for injunction and accounting, based upon patent No. 1,234,984, dated July 31,1917, issued to appellee Walker for a float for concrete pavements. This consists of a strip of flexible heavy material, which he called a strap, carrying a handle at each end, and intended to be pulled back and forth transversely over the surface of a new and soft concrete pavement, thereby working in the coarser particles and smoothing and floating the surface, as a mason floats the surface of a plastered wall. The defense is…