Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – One closing opening in another
Patent
1975-06-24
1976-10-12
Downey, Kenneth
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
One closing opening in another
E06B 728
Patent
active
039851745
ABSTRACT:
A pet door installed in a window screen or screen door consisting of a screen frame member having a frame track in which a spline cord can hold the edge of a cut off portion of a screen door or window together with first and second outer members which are coupled to the center screen frame member, one of the outer members having a hinged center portion for allowing a pet to pass through from either side.
REFERENCES:
patent: 2854072 (1958-09-01), Winnan
patent: 3288200 (1966-11-01), Gagne
patent: 3545521 (1970-12-01), Noecker
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