Alemite Mfg. Corp. v. Hi-Pressure Sales Co.

The bill in this ease charges defendant with infringement of Gullborg patent, No. 1,307,734, which describes and claims what is known as the Alemite lubricating system of equipment, which has come to be of practically universal use in the lubricating of automobiles. At the trial defendant conceded the validity of this 'patent.

The Gullborg patent is a combination patent. Claims 1, 2, 3, 4, 8, 14, and 15 cover and describe the combination of elements comprising the lubricating system, which includes pin fittings permanently installed on each of the bearings of an automobile, the compressor or grease gun from which the lubricant is forced into the bearing, and the coupler adapted to the pin fittings and designed to form the connection between the compressor and the pin fitting. The complete combination of the patent is made, not by the patentee, but by the user of an automobile, who attaches the compressor .by means of the coupler to the pin fittings installed in the car at the factory. A large proportion of car owners prefer not to use the compressor or grease gun and coupler furnished as part of the tool equipment of Alemite-fitted áutomobiles, but to have this done at garages…