Envelope

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

Design Patent

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Design Patent

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D0504462

CLAIM:
The ornamental design for an envelope, as shown and described.

REFERENCES:
patent: 442840 (1890-12-01), West
patent: 557202 (1896-03-01), Handly
patent: 912140 (1909-02-01), Levy
patent: 1335814 (1920-04-01), Blue
patent: 1336646 (1920-04-01), Mendenhall
patent: 1434097 (1922-10-01), Connor
patent: 1896425 (1933-02-01), Scarfi
patent: 3650463 (1972-03-01), Christiansen et al.
patent: 4729507 (1988-03-01), Kim
patent: D310385 (1990-09-01), Thomson
patent: D387380 (1997-12-01), Feit
patent: D415195 (1999-10-01), Kinkel et al.
patent: 6709018 (2004-03-01), Phillips
patent: 6732494 (2004-05-01), Nolte

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