US3719958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water closets
Assignee: Individual
•
Filing: 1972-01-24
•
Granted: 1973-03-13
•
Expires: 1992-01-24
Abstract
Abstract A valved by-pass connection between the water trap and sewer line of an otherwise conventional water closet to permit the establishment of an alternate water level capability in the toilet bowl to be used in association with a toilet tank that has full as well as fractional flush capability.
Inventors
- 👤 J Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:36
CPC Classifications
E; E03; E03D; E03D11/00; E03D11/02; E03D11/10; E03D1/00; E03D1/02; E03D1/14; E03D1/142; Y; Y10; Y10S; Y10S4/00; Y10S4/13
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
157 words
A liquid-level control apparatus for a water closet bowl of the type having a water trap formed by a bowl rear wall and a trap wall spaced rearwardly therefrom, such trap serving to interconnect such bowl and a sewer access opening, comprising: a valve opening in said trap wall intermediate the length thereof and interconnecting said water trap and said sewer access opening, a valve member adapted to cooperate with said valve opening and mounted for movement into and out of contact with said valve opening, and operating means connected to said valve member for selectively positioning said valve member, whereby the liquid level in said bowl is selectively controlled by the positioning of said valve member, such liquid level being that of a conventional bowl when said valve opening is closed by said valve member, and being at a lower position corresponding to the bottom edge of said valve opening when said valve opening is open.
Claim 2
Dependent Claim
157 words
A liquid-level control apparatus for a water closet bowl of the type having a water trap formed by a bowl rear wall and a trap wall spaced rearwardly therefrom, such trap serving to interconnect such bowl and a sewer access opening, comprising: a valve opening in said trap wall intermediate the length thereof and interconnecting said water trap and said sewer access opening, a valve member adapted to cooperate with said valve opening and mounted for movement into and out of contact with said valve opening, and operating means connected to said valve member for selectively positioning said valve member, whereby the liquid level in said bowl is selectively controlled by the positioning of said valve member, such liquid level being that of a conventional bowl when said valve opening is closed by said valve member, and being at a lower position corresponding to the bottom edge of said valve opening when said valve opening is open.
Claim 3
Dependent Claim
157 words
A liquid-level control apparatus for a water closet bowl of the type having a water trap formed by a bowl rear wall and a trap wall spaced rearwardly therefrom, such trap serving to interconnect such bowl and a sewer access opening, comprising: a valve opening in said trap wall intermediate the length thereof and interconnecting said water trap and said sewer access opening, a valve member adapted to cooperate with said valve opening and mounted for movement into and out of contact with said valve opening, and operating means connected to said valve member for selectively positioning said valve member, whereby the liquid level in said bowl is selectively controlled by the positioning of said valve member, such liquid level being that of a conventional bowl when said valve opening is closed by said valve member, and being at a lower position corresponding to the bottom edge of said valve opening when said valve opening is open.
Claim 4
Dependent Claim
157 words
A liquid-level control apparatus for a water closet bowl of the type having a water trap formed by a bowl rear wall and a trap wall spaced rearwardly therefrom, such trap serving to interconnect such bowl and a sewer access opening, comprising: a valve opening in said trap wall intermediate the length thereof and interconnecting said water trap and said sewer access opening, a valve member adapted to cooperate with said valve opening and mounted for movement into and out of contact with said valve opening, and operating means connected to said valve member for selectively positioning said valve member, whereby the liquid level in said bowl is selectively controlled by the positioning of said valve member, such liquid level being that of a conventional bowl when said valve opening is closed by said valve member, and being at a lower position corresponding to the bottom edge of said valve opening when said valve opening is open.
Claim 5
Dependent Claim
19 words
A liquid-level control apparatus in accordance with claim 1, wherein said operating means is mounted externally of said bowl.
References Cited (Backward Citations)
FR352140A
Cited
US1805204A
Cited
US2731647A
Cited
US3041630A
Cited
US3375531A
Cited
US3487476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |