Apparatus and system for utility waste and venting

Details Apparatus and system for utility waste and venting Apparatus and system for utility waste and venting

2006-03-21

2006-03-21

Chambers, A. Michael (Department: 3753)

Fluid handling

With casing, support, protector or static constructional...

Static constructional installations

C137S362000, C052S302100, C052S302300

Reexamination Certificate

active

07013912

ABSTRACT:
An improved high rise building drainage system method and apparatus for conducting waste water from plumbing fixtures, such as lavatories and the like, through prefabricated, modular waste-vent stack units extending through intervals and stack boxes for such units optimally located to minimize the footprint through each interval.

REFERENCES:
patent: 897233 (1908-08-01), Pruin
patent: 1201081 (1916-10-01), Nilson
patent: 3281866 (1966-11-01), Palowsky
patent: 3774631 (1973-11-01), Willkins
patent: 5209254 (1993-05-01), Ancselovics
patent: 5515883 (1996-05-01), Bouzaglou

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