THOMPSON, District Judge:
The District Court held United States Letters Patent No. 3,090,431 invalid because of obviousness and lack of invention over the prior art.
The patent is one for a drapery supporting and pleating apparatus, relating to close hook-up installation of spring-pleated draperies. The District Court held all four claims of the patent invalid.
Claims one and two relate to the design of the glide, in reality a combination glide, post...
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