Nelson v. McMann

BLATCHFORD, Circuit Judge.

The bill in this case is founded on reissued letters patent of the United States, granted to Nathaniel Jenkins, August 3d, 1869, for an “elastic packing for joints and valves exposed to destructive fluids.” The original patent was granted to Jenkins, May 8th, 1866. The specification of the reissued patent describes the new packing as “an elastic packing, of indestructible properties, to a valve, joint or aperture through which a destructive fluid is to pass, such as steam of any kind, hot water, kerosene or other coal oil, hot or cold.” The bill alleges, that…