Legal Opinion
Duplex Envelope Co. v. Denominational Envelope Co.
Court of Appeals for the Fourth Circuit
Decided November 12, 1935No. 3851PublishedCited by 13 opinions
1Opinion of the Court
SOPER, Circuit Judge.
This suit in equity was brought for infringement of letters patent to Jones and Shomaker, No. 1,855,132 and No. 1,792,642, issued to the plaintiff in the District Court as assignee on April 19, 1932, and February 17, 1931, respectively. The patents relate to automatic devices to be used in the printing of church envelopes, the patent first mentioned disclosing a device for feeding the envelopes in series to a printing press, and the second disclosing devices for printing numbers and dates on the envelopes of each set to distinguish them from the envelopes of all other…
2Cases cited14 opinions
- Topliff v. TopliffSupreme Court of the United States · 1892
- Story v. LivingstonSupreme Court of the United States · 1839
- Sheffield & Birmingham Coal, Iron & Railway Co. v. GordonSupreme Court of the United States · 1894
- McMicken v. PerinSupreme Court of the United States · 1856
- Ottumwa Box Car Loader Co. v. Christy Box Car Loader Co.Court of Appeals for the Eighth Circuit · 1914
9 more not listed; retrieve them via the Exa API.
3Cited by13 opinions
- Helton v. AT & T Inc.Court of Appeals for the Fourth Circuit · 2013
- Colin v. Marconi Commerce Systems Employees' Retirement PlanDistrict Court, M.D. North Carolina · 2004
- United States v. Philip Morris USA, Inc.District Court, District of Columbia · 2006
- Aralac, Inc. v. Hat Corporation of AmericaCourt of Appeals for the Third Circuit · 1948
- Denominational Envelope Co. v. Duplex Envelope Co.Court of Appeals for the Fourth Circuit · 1935
8 more not listed; retrieve them via the Exa API.