McGrath v. Burke

YAN ORSDEL, Associate Justice.

This appeal is from the decision of the Commissioner of Patents in an interference proceeding. The invention in issue relates to an envelope provided with two separate compartments — one for first-class mail matter, and the other for mail matter of a different class, and constructed of a single piece of material. It is intended that in this envelope both classes of mail matter may be transmitted together. The envelope is sufficiently illustrated in the following count:

“A duplex envelope formed of a single piece of material having a front portion, a main back…