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Class Information
Number: 5/680
Name: Beds > Waterbed or associated device > With frame means supporting or surrounding a removable bladder > Comprising foam
Description: Waterbed frame in which the supporting or surrounding construction comprises a substantial amount of a material in a lightweight cellular form resulting from introduction of gas bubbles during manufacture.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8434178 Mattress side/edge support system May. 7, 2013
8266747 Mattress side/edge support system Sep. 18, 2012
7685664 Mattress with heel pressure relief portion Mar. 30, 2010
7647661 Waterbed Jan. 19, 2010
6708357 Corner piece for a soft-sided mattress Mar. 23, 2004
5850646 Pressure relief mattress Dec. 22, 1998
5845353 Water bed with internal air filled tubes Dec. 8, 1998
5765246 Inflatable mattress with improved border support wall Jun. 16, 1998
5737788 Attaching arrangement in a multi-layered pad Apr. 14, 1998
5727269 Water bed with internal air bag(s) Mar. 17, 1998
5727268 Soft edging for a water bed Mar. 17, 1998
5642546 Inflatable mattress with improved border support wall Jul. 1, 1997
5564141 Hydraulic mattress and platform mattress support Oct. 15, 1996
5535462 Waterbed frame structure Jul. 16, 1996
5515560 Waterbed with integral frame and safety liner May. 14, 1996
5455974 Cushioned frame for full flotation water bed Oct. 10, 1995
5416937 Soft-sided waterbed May. 23, 1995
5289601 Interlocking foam waterbed mattress Mar. 1, 1994
5285541 Flotation system including improved cushioning and support features Feb. 15, 1994
5255404 Anti-decubitus mattress pad Oct. 26, 1993
5228157 Soft-sided mattress with integral foam hook construction Jul. 20, 1993
5203040 Soft-sided flotation mattress frame Apr. 20, 1993
5201780 Anti-decubitus mattress pad Apr. 13, 1993
5182825 Waterbed Feb. 2, 1993
5161271 Waterbed mattress cover with removable top and insertable foam pads Nov. 10, 1992
5144707 Flotation system including improved locking features Sep. 8, 1992
5115526 Softside waterbed foundation and package May. 26, 1992
5065465 Water mattress for a therapy water bed Nov. 19, 1991
5027453 Water bed safety liner Jul. 2, 1991
5005238 Water bed mattress Apr. 9, 1991
4912789 Waterbed mattress Apr. 3, 1990
4879775 Reinforced rail assembly for waterbeds Nov. 14, 1989
4864670 Water mattress with vertically oriented hydraulic chambers Sep. 12, 1989
4799277 Hybrid watermattress having concave softsides Jan. 24, 1989
4793013 Water mattress bag, and a method for producing the same Dec. 27, 1988
4771491 Reinforced wall soft side waterbed Sep. 20, 1988
4757564 Mattress having cover with memory fabric Jul. 19, 1988
4745646 Rail construction for hybrid bed May. 24, 1988
RE32665 Floatation sleep system May. 17, 1988
4737998 Cellular waterbed mattress assembly Apr. 19, 1988
4713852 Hybrid water bed mattress Dec. 22, 1987
4703531 Padded rail cap Nov. 3, 1987
4689843 Decorative cover for a floatation sleep system Sep. 1, 1987
RE32420 Waterbed mattress construction May. 19, 1987
4637082 Waterbed with removable side cushions Jan. 20, 1987
4602396 Waterbed flotation system with vapor barrier Jul. 29, 1986
4571762 Hybrid waterbed cavity Feb. 25, 1986
4532662 Modified waterbed Aug. 6, 1985
4517692 Anti-decubitus waterfloatation system May. 21, 1985
4506397 Waterbed construction Mar. 26, 1985

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