Class 4/593 - For strengthening bottom or side

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein the tub has ribs, ridges or such,
No. of patents: 19
Last issue date: 10/09/2007

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Number	Title	Issue Date
7278176	Fiberglass reinforced fixture with finished polymeric cap Polymeric plumbing fixtures such as sinks, lavatories and tubs are disclosed that comprise a thermoformed or molded interior shell having a top side with a relatively smooth, polymeric surface; a polymeric reinforcing layer bonded to the underside of the shell; and ...	10/09/2007
6839919	Curvilinear spa frame A curvilinear spa frame apparatus and method that provides support to a curvilinear spa shell design, including a frame comprising a top curvilinear rail, a bottom curvilinear rail, and one or more box sections aligned to be within the confines of the curvilinear sp...	01/11/2005
6473915	Hydrotherapy pool A hydrotherapy pool comprising an enclosure for receiving a patient and for holding a quantity of liquid sufficient for immersing the patient so that the patient receives hydrotherapy, the enclosure having a plurality of openings for facilitating entry an...	11/05/2002
6363546	Sanitary device A sanitary device comprises a tub (2) arranged on feet (1), and a tub encasement (3). The tub encasement (3) takes the form of a supporting construction having a structure made up of panels. At least the panels (4) visible from inside a room consist of a ...	04/02/2002
6349427	Portable spa construction A spa construction wherein a spa shell is supported and reinforced by a matrix of interlocking horizontal and vertical members attached to a base grid. The matrix supports the spa shell through contact with only two regions of the spa--namely the bar top ...	02/26/2002
6265036	Thermoformed articles having an improved insert therein The present invention relates to mold inserts suitable for use with thermoformable sheets made of poly(methyl) methacrylate and other thermoplastic sheet material. The inserts become an integrated part of the thermoformed product, and are characterized by...	07/24/2001
6145140	Bathtub A bathtub for the elderly or physically infirm includes several important innovations, namely a narrow front wall at one end of the bathtub permitting easy access to the bathtub, a wide front platform at the other end of the bathtub, and a plurality of so...	11/14/2000
5459888	Bathtub A bathtub comprising a bathtub body having two rows of spaced join posts at two lengthwise opposite edges of the bottom reinforced with crossing ribs, locating feet standing on the floor of a bathroom and fitting with the join posts of the bathtub body fo...	10/24/1995
5341527	Bathtub with integrally formed leveling base A molded article and the mold for making molded articles are disclosed. The molded article is a sanitary fixture, such as a whirlpool bathtub. The molded article comprises a rigid shell having a finish side and a non-finish side. A rigid material is coate...	08/30/1994
5333325	Bathtub apron system A bathtub apron system for use with either one of two differently shaped bathtubs. The bathtub apron system includes an apron having an essentially planar central section with first and second ends, and inwardly rounded sections extending respectively fro...	08/02/1994
5261130	Spacer for supporting water catchment basins A spacer for positioning between the underside of a water catchment basin, such as a bathtub or shower pan is disclosed. The upper surface of the spacer is contoured so as to receivingly engage the underside of the basin and has a thickness dimension so a...	11/16/1993
5241713	Reinforcing device for bathtub A reinforcing device for a bathtub consists of a bathtub body and a reinforcing base. The bathtub body has four feet beneath the bottom of the bathtub body. The reinforcing base has four basic holes corresponding to the four feet of the bathtub body. The ...	09/07/1993
4825480	Bathtub and alcove construction For use with a building interior recess construction, such as, a stud pocket, a bathtub and alcove construction wherein there is provided a bathtub, and a back panel and a pair of side panels comprising a surround for said bathtub. First clip members are ...	05/02/1989
4785486	Collapsible bathtub A collapsible bathtub adapted for placement on top of a mattress employs a horizontal flexible plastic rectangular sheet having two opposite sides and two opposite ends. First and second flexible plastic parallel side walls are integral with the sheet, ea...	11/22/1988
4551869	Floor support for a bathtub A floor support for a plastic bathtub has a top panel and integral ribs injected molded from PVC plastic. The panel has an upper contoured surface which matches the contour of the underside surface of the plastic bathtub. The depending support ribs provid...	11/12/1985
4541130	Bathtub assembly A tub assembly is provided wherein a bathtub assembly comprised of a bowl section having an apron extending downwardly therefrom and a pivotally mounted apron brace releasably secured to the bottom of the bowl in a first position to permit nestable stacki...	09/17/1985
4316294	Bathtub A bathtub comprising a body having an insulated interior, preferably wood or pressed wood fibers bonded together by a suitable adhesive, an exposed exterior covering of fiberglass, plastic or the like with a non-skid impervious surface. The body comprises...	02/23/1982
4290154	Bathtub structure A bathtub of the type having a bottom and four sides is improved by providing a smooth continuous, horizontally extending planar surface extending outwardly from the top of the four sides. A skirt member extends downwardly from this planar surface for a s...	09/22/1981
3934278	Bathtub support An undercarriage or bottom support for a steel bathtub which is attached to the tub bottom by a double stick tape which is positioned between the support and tub bottom....	01/27/1976

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Class 4/593 - For strengthening bottom or side