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Publication numberUSD250590 S
Publication typeGrant
Application numberUS 05/790,451
Publication dateDec 19, 1978
Filing dateApr 25, 1977
Publication number05790451, 790451, US D250590 S, US D250590S, US-S-D250590, USD250590 S, USD250590S
InventorsRobert Cohn, Charles M. Young
Original AssigneeChampion International Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Envelope blank
US D250590 S
Abstract  available in
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  1. The ornamental design for an envelope blank, as shown and described.

The sole FIGURE is a perspective view of an envelope blank showing our new design, the opposite side being identical thereto.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6227444 *Feb 17, 2000May 8, 2001Pama Enterprises, Inc.Expandable envelope construction
US6866183 *Dec 20, 2002Mar 15, 2005Meadwestvaco CorporationAdjustable envelope
US20030173395 *Dec 20, 2002Sep 18, 2003Purcell Douglas K.Adjustable envelope
USD747767Aug 29, 2013Jan 19, 2016Shannon ZapalacEnvelope-card combination
U.S. ClassificationD19/3