Envelopes – wrappers – and paperboard boxes – Paperboard box – Wrapper type
Patent
1987-03-03
1988-12-20
Little, Willis
Envelopes, wrappers, and paperboard boxes
Paperboard box
Wrapper type
229 23R, 229 8, 229 41R, 119 1, 52 66, B65D 535, A01K 2900
Patent
active
047920823
ABSTRACT:
A litter box (1) including an outer front side wall (3), an outer rear side wall (4), an outer left side wall (5), a cover member (8), and an outer right side wall (6). The litter box (1) is formed from a single integral cardboard sheet (2) which, when folded in an appropriate fashion, results in an enclosed, disposable litterbox. The box (1) may be shipped with a supply of litter enclosed, and may be shipped and stored in a rectangular package of approximately 2 inches in height.
REFERENCES:
patent: 1127872 (1915-02-01), Duhan
patent: 3044211 (1962-07-01), Palm
patent: 3184146 (1965-05-01), Hurley
patent: 3581708 (1971-06-01), Beck
patent: 3752120 (1973-08-01), Pallesi
patent: 3849952 (1974-11-01), Hanaoka
patent: 4014292 (1977-03-01), Coughlin et al.
patent: 4029048 (1977-06-01), Gershbein
patent: 4272009 (1981-06-01), Bamburg et al.
patent: 4501226 (1985-02-01), Bienvenu et al.
patent: 4624380 (1986-11-01), Wernette
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