Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent
1976-09-02
1977-05-10
Caun, Peter M.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
160179, 160180, E06B 332
Patent
active
040222632
ABSTRACT:
A magnetically actuated cat door is provided wherein the owner's cat can wear a magnet and go freely in and out of the door while other cats are effectively barred from entering.
REFERENCES:
patent: 2000366 (1935-05-01), Victor
patent: 2748854 (1956-06-01), Lynch
patent: 2801410 (1957-07-01), Ikeuchi et al.
patent: 2832406 (1958-04-01), Turenne
patent: 3096815 (1963-07-01), May
patent: 3621415 (1971-11-01), Bell
patent: 3627959 (1971-12-01), Chopell
Beckett Richard W.
Johnson Michael B.
McBride Marian P.
Caun Peter M.
Slick Robert G.
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