Pet door panel insert

Details Pet door panel insert Pet door panel insert

2007-01-09

2007-01-09

Thompson, II, Hugh B. (Department: 3634)

Movable or removable closures

Mounted for optional movements

One closure movable separately from or with other closure

C049S055000, C049S057000

Reexamination Certificate

active

10880883

ABSTRACT:
A pet door panel insert which has a vertically expandable panel assembly in the upper region thereof installs in a sliding glass patio door or other entity arrangement simply without complicated tools. A positionable structure in the expandable panel assembly is controllingly spaced from a stationary structure of the expandable panel assembly and is actuated upwardly to engage the upper structure of a door frame to sturdily affix the pet door panel insert within the door frame. Opposed vertically adjustable front and rear cover slide plates are frictionally engaged by the upper region of a framework to seal the expandable panel assembly against the outside environment.

REFERENCES:
patent: 4047331 (1977-09-01), Davlantes
patent: 4344255 (1982-08-01), Knoll
patent: 5185954 (1993-02-01), Waddle, Sr.
patent: 5946855 (1999-09-01), Miconi
patent: 6272793 (2001-08-01), Davlantes
patent: 6691483 (2004-02-01), Lethers

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