Delco Chemicals, Inc. v. Cee-Bee Chemical Co.

Good Law
157 F. Supp. 583·115 U.S.P.Q. (BNA) 403·1957 U.S. Dist. LEXIS 2551
United States District Court, Southern District of CaliforniaDecember 11, 1957Civ. No. 17387California4,307 words

Opinion

lead Opinion

Mathes, J.

Plaintiff brought this action for a declaration of invalidity and non-infringement as to United States Letters Patent No. 2,653,116. 28 U.S.C. §§ 1338 (a), 2201. Defendant answered with a counterclaim for damages for alleged infringement. Plaintiff now moves for a summary judgment declaring the patent invalid. Fed.R.Civ.P., Rule 56, 28 U.S. C.A.

The motion is based upon the pleadings, various affidavits, a copy of the patent in suit, the “file wrapper”, and copies of various prior-art patents. Affidavits have been filed in opposition to the motion.

There is no issue of fact, “genuine” or otherwise, as to the contents of the patent in suit, the contents of the file-wrapper record of Patent Office proceedings leading to the issuance thereof, or the contents of the various prior-art patents.

The patent in suit — Letters Patent No. 2,653,116, covering a “Method of Removing Sealant from Fuel Tanks” — issued September 22, 1953, upon an application filed March 16, 1949, for a patent on both “Method and Apparatus for Removing Sealant from Fuel Tanks”. The file wrapper discloses that the first action of the Patent Office was to declare that “The method and the apparatus are distinct,…

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