Folding collapsible box

Details Folding collapsible box Folding collapsible box

2005-01-11

2005-01-11

Mai, Tri M. (Department: 3727)

Envelopes, wrappers, and paperboard boxes

Paperboard box

Collapsible along supplemental fold line

C229S117220, C229S117190, C229S117090, C383S014000

Reexamination Certificate

active

06840436

ABSTRACT:
A folding collapsible box is constructed to include a box body, the box body having two cardboard reinforced upright sidewalls symmetrically disposed at two sides, each cardboard reinforced upright sidewall having a vertical folding line on the middle, and two locating members respectively detachably coupled to the cardboard reinforced upright sidewalls through a slip joint to hold the cardboard reinforced upright sidewalls in shape and vertically movable relative to the box body between a received position and an extended position.

REFERENCES:
patent: 858278 (1907-06-01), Gilman
patent: 2181208 (1939-11-01), Satz
patent: 2274536 (1942-02-01), Doppelt
patent: 2518818 (1950-08-01), Ringler
patent: 2609137 (1952-09-01), Toensmeier
patent: 4191232 (1980-03-01), Szabo
patent: 5320279 (1994-06-01), Giblin et al.

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