Blank for expansible envelope
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Description
FIG. 1 is a top plan view of a blank for an expansible envelope embodying my new design, the bottom plan view being the same in appearance;
FIG. 2 is a front elevational edge view of my new design;
FIG. 3 is a side elevational view of my new design, the opposite side elevational view being the same in appearance; and,
FIG. 4 is a rear elevational view of my new design.
The blank is of conventional thickness. The dash lines represent fold lines within the blank structure.
Referenced Cited
U.S. Patent Documents
| D250590 | December 19, 1978 | Cohn et al. |
| 960384 | June 1910 | Norman |
| 1292264 | January 1919 | Coulson, Jr. et al. |
| 1956325 | April 1934 | Hart |
| 2219526 | October 1940 | McLaren |
| 2945617 | July 1960 | Normandin |
| 3073508 | January 1963 | Hiersteiner |
| 3552640 | January 1971 | Young |
Patent History
Patent number: D295536
Type: Grant
Filed: Jul 30, 1985
Date of Patent: May 3, 1988
Assignee: Westvaco Corporation (New York, NY)
Inventor: Hampton E. Forbes, Jr. (Newark, DE)
Primary Examiner: Winifred E. Herrmann
Application Number: 6/760,563
Type: Grant
Filed: Jul 30, 1985
Date of Patent: May 3, 1988
Assignee: Westvaco Corporation (New York, NY)
Inventor: Hampton E. Forbes, Jr. (Newark, DE)
Primary Examiner: Winifred E. Herrmann
Application Number: 6/760,563
Classifications
Current U.S. Class:
Envelope (D19/3);
229/68R
