Animal husbandry – Entomological culture device – Egg treatment – production – or storage
Patent
1987-07-15
1989-02-28
Swiatek, Robert P.
Animal husbandry
Entomological culture device
Egg treatment, production, or storage
229101, 229178, A01K 2900
Patent
active
048075639
ABSTRACT:
A pet litter box, including a device for locking the box after it has been used and re-closed, is formed from a single foldable blank. When the box is closed or re-closed it has inter-laying first and second halves, each having bottom and sidewall portions. The halves are connected to one another by a joining portion, and joining sidewalls. Each of the sidewalls of the first half carries a tab. The sidewall portions of the second half each define a diagonal crease, and the pair of joining side-wall portions each define a diagonal crease and a pair of vertical creases. When the box is fully open its first, second and joining portions define an open tray. After the system has been used the box can be re-closed and locked. During re-closing the joining sidewall portions and the two sidewalls of the second half all fold inwardly at their creases, thereby forming a pair of slots between the pairs of creases on each side. Then, by inserting the tabs carried by the first half sidewalls into the slots which are formed between the creases, re-closing and locking of the box is completed. The box blank may include a flap for securing the box closed before it is utilized, and a handle, and may also include all items which are necessary for pet toiletry, such as a bag of litter, and a liner sized to fit over the open tray.
REFERENCES:
patent: 3154052 (1964-10-01), Sweeney
patent: 3258191 (1966-06-01), Mueller et al.
patent: 3358647 (1967-12-01), Wilson
patent: 3831557 (1974-08-01), Elesh
patent: 3886901 (1975-06-01), Zeitter
patent: 4452367 (1984-06-01), Wein
patent: 4711198 (1987-12-01), Mossbarger
Berry Ronald L.
Scholes-Witty Linda J.
Berry Products Corporation
Britt J. Marie
Margolis Donald W.
Swiatek Robert P.
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