Receptacles – Sectional – Knockdown
Patent
1989-11-01
1990-05-15
Moy, Joseph Man-Fu
Receptacles
Sectional
Knockdown
220 394, B65D 600
Patent
active
049250450
ABSTRACT:
A desirable tub box can be constructed using identical, hollow housing and closure sections having perpherial or edge flanges carrying cooperating male and female structures which secure the sections together in a face to face relationship. Knockout opening areas are provided in the peripheries of the sections so as to provide an opening to accommodate a pipe.
REFERENCES:
patent: 4216763 (1980-08-01), Miklas
patent: 4217984 (1980-08-01), Magnuson
patent: 4273249 (1981-06-01), Florian
patent: 4360118 (1982-11-01), Stern
patent: 4512471 (1985-04-01), Kaster et al.
patent: 4664254 (1987-05-01), Sitwell et al.
Logsdon Foundation
Man-Fu Moy Joseph
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