Expandable envelope with a closure flap

Office supplies; artists and teachers materials – Paper or pasteboard for writing or printing – Envelope

Design Patent

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Details

Design Patent

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D0452267

CLAIM:
The ornamental design for an expandable envelope with a closure flap, as shown and described.

REFERENCES:
patent: D. 295536 (1988-05-01), Forbes, Jr.
patent: 3073508 (1963-01-01), Hiersteiner
patent: 3198420 (1965-08-01), Hiersteiner
patent: 3955749 (1976-05-01), Turkenkopf
patent: 5398866 (1995-03-01), Bluemle
patent: 5503328 (1996-04-01), Roccaforte et al.
patent: 5799862 (1998-09-01), Gray
patent: 6227444 (2001-05-01), Makoesky et al.

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