Animal husbandry – Milkers – With signals – indicators – registers – and timers
Patent
1980-06-09
1981-09-29
McNeill, G. E.
Animal husbandry
Milkers
With signals, indicators, registers, and timers
A01K 103
Patent
active
042916453
ABSTRACT:
The pet shelter of the present invention is adapted to be mounted over the basement window opening of a house. The shelter has a double swinging door which can swing inwardly and outwardly. A locking bar pivots from a vertical position to a horizontal position in retentive engagement with the swinging door. A flexible cord is attached to the lock bar and extends through a hold in the house wall to the interior of the house where it can be manipulated to raise and lower the locking bar for locking and unlocking the swinging door.
REFERENCES:
patent: 1748598 (1930-02-01), Dermody
patent: 1779491 (1930-10-01), Rau
patent: 3738322 (1973-06-01), Smith
patent: 3962994 (1976-06-01), Petrucciani
patent: 4021975 (1977-05-01), Calkins
patent: 4224899 (1980-09-01), Cruchelow et al.
Cruchelow Marilyn
Cruchelow Wayne L.
McNeill G. E.
Swiatek Robert P.
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