Document case with resilient expanding flap

Envelopes – wrappers – and paperboard boxes – File folder or file envelope

Reexamination Certificate

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C229S067300, C229S067400

Reexamination Certificate

active

07458501

ABSTRACT:
A document case includes an expandable file module between two side panels. A flap may be coupled to a first side panel by a top panel. The top panel is resilient such that the top panel urges a second side panel toward the first side panel when the flap is secured to the second side panel to close the document case.

REFERENCES:
patent: 3256919 (1966-06-01), Ogletree
patent: 3312384 (1967-04-01), Heynemann
patent: 4262838 (1981-04-01), Mackenzie
patent: 6394497 (2002-05-01), Ho
patent: 6607122 (2003-08-01), Ong
patent: 6672439 (2004-01-01), Platte, III
patent: 7147142 (2006-12-01), Chang
patent: 2006/0054669 (2006-03-01), Hsieh
patent: 2006/0266807 (2006-11-01), Shook
patent: 2007/0194090 (2007-08-01), Chou

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