Variable length envelope

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20030034383A1
SERIAL NO

09929062

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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This invention is an envelope that can be laterally extended to accommodate articles of varying length. The envelope is formed from a single blank in one pass in a continuous manufacturing operation.

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Patent Owner(s)

Patent OwnerAddress
WESTVACO CORPORATIONA CORP OF DELAWARE 299 PARK AVENUE NEW YORK NY 10171

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Purcell, Douglas K Chicopee, MA 11 87

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