Tub boxes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 15, 1990
Grant Date -
N/A
app pub date -
Nov 1, 1989
filing date -
Nov 1, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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