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Household
Class Information
Number:
4/477
Name:
Baths, closets, sinks, and spittoons
>
Dry closets
>
Enclosed receptacle type
> Ventilated
Description:
Subject matter including means for removing gases having a disagreeable odor.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7455582
Solar powered fan for portable enclosure
Nov. 25, 2008
6681413
Portable restroom having a removable waste storage container and method therefor
Jan. 27, 2004
6233749
Portable toilet stool having deodorizing and air-curtaining efficiencies
May. 22, 2001
5671487
Portable mobile toilet
Sep. 30, 1997
4922557
Outdoor toilet holding tank ventilation system
May. 8, 1990
4894872
Waterless sanitation system with ventilation
Jan. 23, 1990
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