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Class Information
Number: 4/526
Name: Baths, closets, sinks, and spittoons > Vapor or heat in bath (e.g., sauna, steam bath, or sudatorium) > Collapsible
Description: Subject matter in which the enclosure is capable of being folded compactly, with at least some of its constituent parts still connected together.

Sub-classes under this class:

Class Number Class Name Patents
4/527 Flexible fabric supported by a folding frame 14
4/528 With body support means 4

Patents under this class:

Patent Number Title Of Patent Date Issued
8657861 Gas mist pressure bath device Feb. 25, 2014
6675403 Portable sauna Jan. 13, 2004
6615419 Sauna device Sep. 9, 2003
6510565 Portable and collapsible sauna Jan. 28, 2003
6170097 Foldable sauna cabinet Jan. 9, 2001
6148450 Portable steam bath assembly Nov. 21, 2000
6055684 Sauna apparatus May. 2, 2000
5511254 Portable steam sauna Apr. 30, 1996
5416931 Booth May. 23, 1995
5117481 Detachable bathing unit for far infrared bath May. 26, 1992
5085212 Portable solar tanning box Feb. 4, 1992
5050251 Apparatus for converting a bathtub into a sauna Sep. 24, 1991
4871900 Body air dryer Oct. 3, 1989
4773105 Collapsible sauna box Sep. 27, 1988
4370543 Shower-sauna instantaneous electric steam or hot water supply unit Jan. 25, 1983
4137574 Portable steam bath Feb. 6, 1979

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