Dual pocket mailing envelope blank

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top plan view of a dual pocket mailing envelope blank showing my new design;

FIG. 2 is a bottom plan view thereof; and

FIG. 3 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
1821011 September 1931 Greenlaw
2200099 May 1940 Prentice
2887327 May 1959 Tucker
3570752 March 1971 Sczesniak
3648923 March 1972 Young
Patent History
Patent number: D251300
Type: Grant
Filed: Feb 28, 1977
Date of Patent: Mar 13, 1979
Assignee: Champion International Corporation (Stamford, CT)
Inventor: Harold R. Lillibridge (San Mateo, CA)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: Evelyn M. Sommer
Application Number: 5/772,729
Classifications
Current U.S. Class: Envelope (D19/3)
International Classification: D1901;