Glueless folding envelope

Details Glueless folding envelope Glueless folding envelope

1998-12-23

2001-04-10

Douglas, Alan P. (Department: 2911)

Office supplies; artists and teachers materials

Paper or pasteboard for writing or printing

Envelope

Design Patent

active

D0440251

CLAIM:
The ornamental design for a glueless folding envelope, as shown and described.

REFERENCES:
patent: D. 287735 (1987-01-01), Leyland
patent: 646638 (1900-04-01), Cutler
patent: 761004 (1904-05-01), Meadows
patent: 917383 (1909-04-01), Von Eschen
patent: 1187317 (1916-06-01), Holmes
patent: 1285238 (1918-11-01), Kramer
patent: 1411547 (1922-04-01), Winter
patent: 1446669 (1923-02-01), Sherlock
patent: 1875804 (1932-09-01), Dicicco
patent: 2060149 (1936-11-01), Walton, Jr.

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