CA2171383C - Encapsulated overflow system for tubs and the like - Google Patents
Encapsulated overflow system for tubs and the like Download PDFInfo
- Publication number
- CA2171383C CA2171383C CA 2171383 CA2171383A CA2171383C CA 2171383 C CA2171383 C CA 2171383C CA 2171383 CA2171383 CA 2171383 CA 2171383 A CA2171383 A CA 2171383A CA 2171383 C CA2171383 C CA 2171383C
- Authority
- CA
- Canada
- Prior art keywords
- conduit
- overflow
- shell
- overflow system
- drain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/24—Overflow devices for basins or baths
Abstract
An attached overflow system for a sanitary fixture.
The system includes a one-piece conduit in the shape of a trough formed to fit the curvature of the sanitary fixture.
The first end of the conduit is configured to cover the overflow opening of the shell and the second end is configured to discharge water in the conduit into the drain. The conduit may be welded or otherwise adhered to the shell. Moreover, it may subsequently be encapsulated within a layer of plastic material.
The system includes a one-piece conduit in the shape of a trough formed to fit the curvature of the sanitary fixture.
The first end of the conduit is configured to cover the overflow opening of the shell and the second end is configured to discharge water in the conduit into the drain. The conduit may be welded or otherwise adhered to the shell. Moreover, it may subsequently be encapsulated within a layer of plastic material.
Description
ENCAPSULATEI) OVERFLOW SYSTEM FOR TUBS AND THE LIRE
BACKGROUND OF THE INVENTION
The present invention is directed to an overflow system for sanitary fixtures such as bathtubs, spas, whirlpool tubs and the like, and in particular to an overflow system which interconnect: the overflow opening and the drain opening of a sanitary fixture, especially designed to be attached to the fixture during manufacture or before shipping.
Sanitary :Fixtures such as bathtubs, spas, whirlpool tubs and the like are generally provided with a drain opening located in the floor of the fixture and an overflow opening located in the end wall nearest the overflow opening and positioned proximaite the top rim of the fixture. A conduit or tube is generally provided to interconnect the drain opening and the overflow opening such that when water reaches the level of the overflow opESning, the water will flow therethrough, into the conduit and ini~o the drain coupled to the drain opening.
This prevents water from flowing over the top of the rim or edge of the f fixture .
The overflow ;system is generally formed as an integral passage in chinaware and cast iron fixtures. Alternatively, in enameled steel and acrylic fixtures, the overflow system is independent from the fixture and is installed on the fixture at installation. Thi:~ procedure is time consuming and ~1 ~'~ ~8~
BACKGROUND OF THE INVENTION
The present invention is directed to an overflow system for sanitary fixtures such as bathtubs, spas, whirlpool tubs and the like, and in particular to an overflow system which interconnect: the overflow opening and the drain opening of a sanitary fixture, especially designed to be attached to the fixture during manufacture or before shipping.
Sanitary :Fixtures such as bathtubs, spas, whirlpool tubs and the like are generally provided with a drain opening located in the floor of the fixture and an overflow opening located in the end wall nearest the overflow opening and positioned proximaite the top rim of the fixture. A conduit or tube is generally provided to interconnect the drain opening and the overflow opening such that when water reaches the level of the overflow opESning, the water will flow therethrough, into the conduit and ini~o the drain coupled to the drain opening.
This prevents water from flowing over the top of the rim or edge of the f fixture .
The overflow ;system is generally formed as an integral passage in chinaware and cast iron fixtures. Alternatively, in enameled steel and acrylic fixtures, the overflow system is independent from the fixture and is installed on the fixture at installation. Thi:~ procedure is time consuming and ~1 ~'~ ~8~
2 inconvenient, increasing the labor costs involved in installing a tub.
Commonly assigned U.S. Patent No. 5,179,740 is directed to an encapsulated multicomponent overflow system for sinks. The overflow system includes a tube formed from a thermoplastic material, bent to conform to the curvature of the sink, which interconnects the overflow opening to the drain.
The system further includes a pair of coupling means to couple the first end of the tube to the overflow opening and to couple the second end of t:he tube to the drain. Consequently, in order to securely affix the system to the sink, the overflow system must be encapsulated with plastic material which is applied to the none:xposed bottom surface of the sink during manufacture limiting the type of material from which the sink can be manufactured. Additionally, an internal support in the tube is required to maintain rigidity of the tube during the application of the plastic layer. Furthermore, this technique is limited to sinker. Sinks typically have a remote drain stopper assembly independent from the overflow system, while tubs typically integrate the remote drain stopper assembly into the overflow system. The encapsulated overflow system of U.S.
Patent No. 5,179,74.0 does not include a remote drain stopper assembly and is not: applicable to tubs. Moreover, the overflow system of U.S. Pats:nt No. 5,179,740 includes a plurality of components each of which requires a separate mold and thus separate manufacture which add to the expense and time involved in the manufacture of the overflow system. No attempts have been made to incorporate a one-piece overflow system in a tub 2~ 11383
Commonly assigned U.S. Patent No. 5,179,740 is directed to an encapsulated multicomponent overflow system for sinks. The overflow system includes a tube formed from a thermoplastic material, bent to conform to the curvature of the sink, which interconnects the overflow opening to the drain.
The system further includes a pair of coupling means to couple the first end of the tube to the overflow opening and to couple the second end of t:he tube to the drain. Consequently, in order to securely affix the system to the sink, the overflow system must be encapsulated with plastic material which is applied to the none:xposed bottom surface of the sink during manufacture limiting the type of material from which the sink can be manufactured. Additionally, an internal support in the tube is required to maintain rigidity of the tube during the application of the plastic layer. Furthermore, this technique is limited to sinker. Sinks typically have a remote drain stopper assembly independent from the overflow system, while tubs typically integrate the remote drain stopper assembly into the overflow system. The encapsulated overflow system of U.S.
Patent No. 5,179,74.0 does not include a remote drain stopper assembly and is not: applicable to tubs. Moreover, the overflow system of U.S. Pats:nt No. 5,179,740 includes a plurality of components each of which requires a separate mold and thus separate manufacture which add to the expense and time involved in the manufacture of the overflow system. No attempts have been made to incorporate a one-piece overflow system in a tub 2~ 11383
3 at the time of manufacture to reduce the time and labor involved in instal7.ing tubs and the like. No attempts have been made to incorporate an overflow system in a tub which system may or may not be encapsulated.
Thus, it is apparent that a new type of overflow system for tubs is desirable in order to reduce the time and labor involved in installing tubs. It is desirable in providing an overflow system for a sanitary fixture that the components be capable of attachment to the fixture during manufacture or prior to shipment. It is preferable that the overflow system comprises one component and that it be able to withstand the press>ures exerted during the molding process. It is important in providing an overflow system for a sanitary fixture that the components be capable of attachment to the fixture with or without the addition of an encapsulation layer.
SUMMARY OF THE INVENTION
It is therefore an object of the invention to reduce the time necessary for installation of a sanitary fixture.
It is another object of the invention to ease the installation of a sanitary fixture.
It is a related object of the invention to optionally encapsulate the overflow system on the sanitary fixture.
It is a further object of the invention to manufacture an overflow system that is easy and inexpensive to manufacture.
Thus, it is apparent that a new type of overflow system for tubs is desirable in order to reduce the time and labor involved in installing tubs. It is desirable in providing an overflow system for a sanitary fixture that the components be capable of attachment to the fixture during manufacture or prior to shipment. It is preferable that the overflow system comprises one component and that it be able to withstand the press>ures exerted during the molding process. It is important in providing an overflow system for a sanitary fixture that the components be capable of attachment to the fixture with or without the addition of an encapsulation layer.
SUMMARY OF THE INVENTION
It is therefore an object of the invention to reduce the time necessary for installation of a sanitary fixture.
It is another object of the invention to ease the installation of a sanitary fixture.
It is a related object of the invention to optionally encapsulate the overflow system on the sanitary fixture.
It is a further object of the invention to manufacture an overflow system that is easy and inexpensive to manufacture.
4 These and other objects aid advantages are achieved by the present invention which provides an integral overflow system for a sani~ary fixture such as a tub which directs water from the overflow opening to the drain. The sanitary fixture inc=ludes a rigid shell having a finish side and a non-finish side. A tube or conduit interconnects the overflow opening to the drain.
In a preferred embodiment, the overflow system is a one-piece conduit i_n thE: shape of a trough having a perip:~eral. flange formed to fit the curvature of each particular t.ub. The first end o:>= the conduit is configured to cover the overflow opening of the shell and the second end is configured to discharge water in the conduit into the drain. The conduit may be welded or o1_herwise adhered to the shell. Moreover, it is subsequently encapsulated with a layer of polymeric material.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully appreciated from the following detailed description when the same is considered _~n connection with the accompanying drawings in wh=_ch Fig. 1 is an exploded perspective view of the components of a prior art overflow system which must be attached during installation of a tub;
Fig. 2 is a perspective view of a sanitary fixture in the form of a tub which incorporates the one-piece component integral overflow system constructed in accordance with the present invention;
2171.383 Fig. 3 i.s a front elevational view of the tub of Fig.
2;
Fig. 4 is a cross-sectional view of the tub of Fig. 2 with a stopper disposed therein;
Fig. 5 is a rear elevational view of the one-piece component system in accordance with the present invention; and Fig. 6 is a cut-away view of an encapsulated version of a tub with an overflow assembly in accordance with the present invention.
DETAILED DESCRIPTION OF THE INVENTION
Fig. 1 i:~ included as an example of a typical prior art overflow system comprising a plurality of components which must be assembled and connected to the tub at installation. As evident from the drawing, the large number of components requires connection to one another and to the tub at installation. Time: and labor are involved in fitting and attaching the piecea together and connecting the assembly to the tub at installation.
Reference: is now made to Figs. 2, 3, and 4 which depict a sanitary fixture in the form of a tub 10, incorporating an overflow system, indicated at 12, constructed in accordance with a preferred embodiment of the present invention. Tub 10 includes a shell 14 having a finish side 16 and a non-finish side 18. Shell 14 has a bottom wall 20 integrally formed with side walls 22 and 24 and end walls 26 and 28. Side and end walls 22, 24, 26, and 28 terminate at rim 29. Shell 14 may be constructed from steel, fiberglass, polymeric materials and/or composite materials and methods disclosed in commonly assigned U.S. Patent Nos. 4,844,944 and 4,84~~,955 to Graefe et al. and commonly assigned U.S. Patent No. 5,049,433 to Kuszaj et al.
Finish side 16 may be coat=ed with an enamel layer. If desired, non-finish side 18 may be coated with a polymeric material. Suitable polymeric materials for coating the rigid she-_1 are discussed in commonly assig:zed U.S. Patent No. 4,664,982 to Genovese et al., as well as the aforementioned U.S. Patent Nos.
4,844,944, 4,844,955 and 5,049,433.
Overflow system 12 is supported on exterior non-finish side 18 of shell 14. Bottom wall 20 of shell 14 includes a drain opening 30 having a lip 32 which permits waste water to drain t:herethrough into a main drain coupled to drain opening 30 when tub 10 is installed. End wall 26 of shell 14 includes an overflow opening 34 proximate rim 29 through which excess water will flow when water in the tub reaches the level of the overflow opening. The overflow opening 34 may be round, oval or other suitable shape.
In accordance with one aspect of the invention, a onepiece conduit 35 via peripheral flange 36 is adhered to the coated or uncoated side of non-finish side 18 of shell 14 which thereafter may or may not be coated with a polymeric material. The conduit 35 as viewed in Fig. 5 is typically trough-shaped and may be fabricated of. metal, p:Lastic, polymeric material, A
217?383 SMC (sheet molding compound) or other suitable material. The shape of the conduit is such that it is formed to fit the curvature of each particular tub. The first or upper end of the conduit is configured to cover the overflow opening 34 of the shell and the second or lower end has a drain aperture 37 corresponding to t:he drain opening 30. Conduit 35 may be adhered to the shell by an adhesive material such as epoxy, hot melt, urethane or other similar adhesive material. If the addition of a polymeric layer is desired, conduit 35 may be attached to the shell prior to the application of a polymeric material, becoming encapsulated by the polymeric material, or it may be attached, to a polymeric layer after the layer has cured. Fig. 6 shows conduit 35 attached to shell 14 and encapsulated by polymeric layer 38.
A plug or' stopper 39 is positioned within drain opening 30 and may be operated by a spring or other suitable means. Should water in shell 14 reach the level of the overflow opening 34, water will flow through opening 34, through conduit 35 and out through aperture 37 of conduit 35, which, during the installation of the tub, will be coupled to a main drain pipe in. a well-known manner.
The drain. hardware needed to connect the drain opening 30 to a main drain. may include but is not limited to a tailpiece 40, washer nut 41, washer 42 and wedge seal 43. The assembly process at the drain is a simplified operation and involves placing the tailpiece 40 through the drain hole in the tub, placing wedge. rubber seal 43 over the bottom of the tailpiece 40, sliding on the brass washer 42 and tightening the washer nut 41 to seal the wedge rubber seal 43 against the tub.
The assembly of this hardware is much easier and faster requiring fewer parts than the conventional method which requires external piping to connect the overflow and the drain, as shown in Fig. 1.
Thus, the present invention provides a one-piece overflow system for a tub which is an integral component of the tub. It may be bonded to the tub by an adhesive material without encapsulation thereof or it may be additionally encapsulated in a plastic material bonded to the under surface of the tub. The overflow system is adapted to withstand the heat and pressure exerted during the molding process when the plastic layer is :bonded in place on the non-finish surface of the tub.
The single component system of the present invention reduces the number of components necessary to provide an overflow drain system, thereby reducing the amount of molding equipment necessary to manufacture the components. Moreover, the attachment of the overflow system to the tub at manufacture reduces and eases the labor involved during installation of tlZe tub. This is very economical when a large project requiring the installation of high numbers of units is involved.
Although illustrative embodiments of the present invention have been described herein with reference to the accompanying drawings, it is to be understood that the invention is not :Limited to those precise embodiments, and that various other changes and modifications may be effected _. 211383 therein by one skilled in the art without departing from the scope or spirit of the invention.
In a preferred embodiment, the overflow system is a one-piece conduit i_n thE: shape of a trough having a perip:~eral. flange formed to fit the curvature of each particular t.ub. The first end o:>= the conduit is configured to cover the overflow opening of the shell and the second end is configured to discharge water in the conduit into the drain. The conduit may be welded or o1_herwise adhered to the shell. Moreover, it is subsequently encapsulated with a layer of polymeric material.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will be more fully appreciated from the following detailed description when the same is considered _~n connection with the accompanying drawings in wh=_ch Fig. 1 is an exploded perspective view of the components of a prior art overflow system which must be attached during installation of a tub;
Fig. 2 is a perspective view of a sanitary fixture in the form of a tub which incorporates the one-piece component integral overflow system constructed in accordance with the present invention;
2171.383 Fig. 3 i.s a front elevational view of the tub of Fig.
2;
Fig. 4 is a cross-sectional view of the tub of Fig. 2 with a stopper disposed therein;
Fig. 5 is a rear elevational view of the one-piece component system in accordance with the present invention; and Fig. 6 is a cut-away view of an encapsulated version of a tub with an overflow assembly in accordance with the present invention.
DETAILED DESCRIPTION OF THE INVENTION
Fig. 1 i:~ included as an example of a typical prior art overflow system comprising a plurality of components which must be assembled and connected to the tub at installation. As evident from the drawing, the large number of components requires connection to one another and to the tub at installation. Time: and labor are involved in fitting and attaching the piecea together and connecting the assembly to the tub at installation.
Reference: is now made to Figs. 2, 3, and 4 which depict a sanitary fixture in the form of a tub 10, incorporating an overflow system, indicated at 12, constructed in accordance with a preferred embodiment of the present invention. Tub 10 includes a shell 14 having a finish side 16 and a non-finish side 18. Shell 14 has a bottom wall 20 integrally formed with side walls 22 and 24 and end walls 26 and 28. Side and end walls 22, 24, 26, and 28 terminate at rim 29. Shell 14 may be constructed from steel, fiberglass, polymeric materials and/or composite materials and methods disclosed in commonly assigned U.S. Patent Nos. 4,844,944 and 4,84~~,955 to Graefe et al. and commonly assigned U.S. Patent No. 5,049,433 to Kuszaj et al.
Finish side 16 may be coat=ed with an enamel layer. If desired, non-finish side 18 may be coated with a polymeric material. Suitable polymeric materials for coating the rigid she-_1 are discussed in commonly assig:zed U.S. Patent No. 4,664,982 to Genovese et al., as well as the aforementioned U.S. Patent Nos.
4,844,944, 4,844,955 and 5,049,433.
Overflow system 12 is supported on exterior non-finish side 18 of shell 14. Bottom wall 20 of shell 14 includes a drain opening 30 having a lip 32 which permits waste water to drain t:herethrough into a main drain coupled to drain opening 30 when tub 10 is installed. End wall 26 of shell 14 includes an overflow opening 34 proximate rim 29 through which excess water will flow when water in the tub reaches the level of the overflow opening. The overflow opening 34 may be round, oval or other suitable shape.
In accordance with one aspect of the invention, a onepiece conduit 35 via peripheral flange 36 is adhered to the coated or uncoated side of non-finish side 18 of shell 14 which thereafter may or may not be coated with a polymeric material. The conduit 35 as viewed in Fig. 5 is typically trough-shaped and may be fabricated of. metal, p:Lastic, polymeric material, A
217?383 SMC (sheet molding compound) or other suitable material. The shape of the conduit is such that it is formed to fit the curvature of each particular tub. The first or upper end of the conduit is configured to cover the overflow opening 34 of the shell and the second or lower end has a drain aperture 37 corresponding to t:he drain opening 30. Conduit 35 may be adhered to the shell by an adhesive material such as epoxy, hot melt, urethane or other similar adhesive material. If the addition of a polymeric layer is desired, conduit 35 may be attached to the shell prior to the application of a polymeric material, becoming encapsulated by the polymeric material, or it may be attached, to a polymeric layer after the layer has cured. Fig. 6 shows conduit 35 attached to shell 14 and encapsulated by polymeric layer 38.
A plug or' stopper 39 is positioned within drain opening 30 and may be operated by a spring or other suitable means. Should water in shell 14 reach the level of the overflow opening 34, water will flow through opening 34, through conduit 35 and out through aperture 37 of conduit 35, which, during the installation of the tub, will be coupled to a main drain pipe in. a well-known manner.
The drain. hardware needed to connect the drain opening 30 to a main drain. may include but is not limited to a tailpiece 40, washer nut 41, washer 42 and wedge seal 43. The assembly process at the drain is a simplified operation and involves placing the tailpiece 40 through the drain hole in the tub, placing wedge. rubber seal 43 over the bottom of the tailpiece 40, sliding on the brass washer 42 and tightening the washer nut 41 to seal the wedge rubber seal 43 against the tub.
The assembly of this hardware is much easier and faster requiring fewer parts than the conventional method which requires external piping to connect the overflow and the drain, as shown in Fig. 1.
Thus, the present invention provides a one-piece overflow system for a tub which is an integral component of the tub. It may be bonded to the tub by an adhesive material without encapsulation thereof or it may be additionally encapsulated in a plastic material bonded to the under surface of the tub. The overflow system is adapted to withstand the heat and pressure exerted during the molding process when the plastic layer is :bonded in place on the non-finish surface of the tub.
The single component system of the present invention reduces the number of components necessary to provide an overflow drain system, thereby reducing the amount of molding equipment necessary to manufacture the components. Moreover, the attachment of the overflow system to the tub at manufacture reduces and eases the labor involved during installation of tlZe tub. This is very economical when a large project requiring the installation of high numbers of units is involved.
Although illustrative embodiments of the present invention have been described herein with reference to the accompanying drawings, it is to be understood that the invention is not :Limited to those precise embodiments, and that various other changes and modifications may be effected _. 211383 therein by one skilled in the art without departing from the scope or spirit of the invention.
Claims (9)
1. An overflow system for a sanitary fixture having a shell, said shell having a finish side and a non-finish side, said shell further including an overflow opening and a drain opening coupleable to a main drain, comprising:
a conduit for attachment to said non-finish side of said shell at a position extending between said overflow opening and said drain opening, said conduit having first and second ends, said first end covering said overflow opening and said second end covering said drain opening, said conduit comprising an aperture proximate said second end, said aperture aligned to correspond to said drain opening, said conduit adhered to said shell, and said conduit being encapsulated within a layer of polymeric material.
a conduit for attachment to said non-finish side of said shell at a position extending between said overflow opening and said drain opening, said conduit having first and second ends, said first end covering said overflow opening and said second end covering said drain opening, said conduit comprising an aperture proximate said second end, said aperture aligned to correspond to said drain opening, said conduit adhered to said shell, and said conduit being encapsulated within a layer of polymeric material.
2. The overflow system as claimed in claim 1 wherein said conduit is one-piece component.
3. The overflow system as claimed in claim 2 wherein said conduit is in the shape of a trough.
4. The overflow system as claimed in claim 3 wherein said conduit includes a peripheral flange, said peripheral flange conforming to said non-finish side of said shell, and further comprising an adhesive material applied to said peripheral flange for attachment of said trough to said shell.
The overflow system as claimed in claim 4 wherein said adhesive material is a material selected from the group consisting of epoxy, hot melt, and urethane.
6. The overflow system of claim 1 further comprising hardware to connect said drain opening to said main drain.
7. The overflow system of claim 6 wherein said hardware comprises a tailpiece, a washer nut, a washer and a seal.
8. The overflow system of claim 1 further comprising a stopper disposed in said drain opening.
9. The overflow system claim 1 wherein said conduit is fabricated from material selected from the group consisting of metal and polymeric material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41104195A | 1995-03-27 | 1995-03-27 | |
| US08/411,041 | 1995-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2171383A1 CA2171383A1 (en) | 1996-09-28 |
| CA2171383C true CA2171383C (en) | 2001-05-08 |
Family
ID=23627321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2171383 Expired - Fee Related CA2171383C (en) | 1995-03-27 | 1996-03-08 | Encapsulated overflow system for tubs and the like |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPH08270036A (en) |
| CN (1) | CN1064731C (en) |
| AU (1) | AU698755B2 (en) |
| CA (1) | CA2171383C (en) |
| GB (1) | GB2299267B (en) |
| HK (1) | HK1009707A1 (en) |
| MX (1) | MX9601005A (en) |
| NZ (1) | NZ286044A (en) |
| PT (1) | PT9259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020204173A1 (en) | 2020-03-31 | 2021-09-30 | Blanco Gmbh + Co Kg | Sanitary ware and method of manufacturing the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6058525A (en) * | 1996-02-06 | 2000-05-09 | Plumbing Innovations, L.L.C. | Waste and overflow fittings |
| GB2311218B (en) * | 1996-03-20 | 2000-02-02 | Paul Tyrone Johnson | Improvements in and relating to baths |
| GB0407983D0 (en) * | 2004-04-08 | 2004-05-12 | Mcalpine & Co Ltd | Pipework |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859675A (en) * | 1973-06-21 | 1975-01-14 | Voplex Corp | Sink overflow |
| JPS5131158U (en) * | 1974-08-29 | 1976-03-06 | ||
| JPS5728679Y2 (en) * | 1977-08-10 | 1982-06-23 | ||
| JPS5530389U (en) * | 1978-08-21 | 1980-02-27 | ||
| US4937899A (en) * | 1988-05-18 | 1990-07-03 | Jpi Plumbing Products, Inc. | Lavatory with improved overflow duct assembly |
| US5123123A (en) * | 1991-01-17 | 1992-06-23 | American Standard Inc. | Bathtub overflow control device |
| US5179740A (en) * | 1991-04-24 | 1993-01-19 | American Standard Inc. | Encapsulated overflow system for sinks and the like |
-
1996
- 1996-02-14 AU AU45522/96A patent/AU698755B2/en not_active Ceased
- 1996-02-22 NZ NZ28604496A patent/NZ286044A/en unknown
- 1996-03-08 CA CA 2171383 patent/CA2171383C/en not_active Expired - Fee Related
- 1996-03-18 MX MX9601005A patent/MX9601005A/en not_active IP Right Cessation
- 1996-03-18 GB GB9605677A patent/GB2299267B/en not_active Expired - Fee Related
- 1996-03-19 JP JP6304396A patent/JPH08270036A/en active Pending
- 1996-03-21 PT PT925996U patent/PT9259U/en not_active IP Right Cessation
- 1996-03-26 CN CN 96104450 patent/CN1064731C/en not_active Expired - Fee Related
-
1998
- 1998-09-07 HK HK98110508A patent/HK1009707A1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020204173A1 (en) | 2020-03-31 | 2021-09-30 | Blanco Gmbh + Co Kg | Sanitary ware and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9605677D0 (en) | 1996-05-22 |
| PT9259U (en) | 1999-11-30 |
| GB2299267A (en) | 1996-10-02 |
| AU698755B2 (en) | 1998-11-05 |
| CN1148650A (en) | 1997-04-30 |
| MX9601005A (en) | 1997-03-29 |
| NZ286044A (en) | 1998-07-28 |
| HK1009707A1 (en) | 1999-06-04 |
| CA2171383A1 (en) | 1996-09-28 |
| CN1064731C (en) | 2001-04-18 |
| JPH08270036A (en) | 1996-10-15 |
| PT9259T (en) | 1996-09-30 |
| AU4552296A (en) | 1996-10-10 |
| GB2299267B (en) | 1998-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |