Patent US3798681A successfully refreshed from Google Patents.
US3798681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device in water closets
Assignee: Individual
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Filing: 1972-01-10
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Granted: 1974-03-26
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Expires: 1992-01-10
Abstract
Abstract A water closet comprising a closet bowl having a drain mouth at its lower end which mouth may be closed by a valve disc operatively connected to the flushing mechanism of the toilet such that the disc uncovers the mouth during flushing, and a supply line feeding flushing liquid to a spray nozzle disposed internally of said closet bowl. Said nozzle is provided with two sets of sprinkling systems, one for directing water jets against the centre of the uncovered drain mouth, and another one for directing liquid jets in a helical path along the internal surface of the closet bowl.
Inventors
- 👤 O Johansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:58
CPC Classifications
E; E03; E03D; E03D11/00; E03D11/02; E03D11/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
175 words
A device in a water closet trapless comprising a trapless closet bowl tapering in a downwards direction, a drain mouth at the bottom of said closet bowl for discharging wastes directly from the trapless bowl, a valve disc closing said drain mouth of said bowl, an upstanding rim on said disc surrounding said drain mouth about the external face thereof, and a supply line carrying flushing liquid to the inside face of said closet bowl when the drain mouth in uncovered, characterised by a spray nozzle disposed at the inside surface of said closet bowl, said spray nozzle having a discharge portion directed directly at said drain mouth, said supply line feeding flushing liquid to said closet bowl debouching in said spray nozzle, said nozzle being adapted, upon displacement of said valve disc away from said drain mouth, to direct a shower-like bunch of water jets from said discharge portion directly against the center of said uncovered drain mouth for preventing the escape of objectionable odors from below said drain mouth through said drain mouth.
Claim 2
Independent Claim
175 words
A device in a water closet trapless comprising a trapless closet bowl tapering in a downwards direction, a drain mouth at the bottom of said closet bowl for discharging wastes directly from the trapless bowl, a valve disc closing said drain mouth of said bowl, an upstanding rim on said disc surrounding said drain mouth about the external face thereof, and a supply line carrying flushing liquid to the inside face of said closet bowl when the drain mouth in uncovered, characterised by a spray nozzle disposed at the inside surface of said closet bowl, said spray nozzle having a discharge portion directed directly at said drain mouth, said supply line feeding flushing liquid to said closet bowl debouching in said spray nozzle, said nozzle being adapted, upon displacement of said valve disc away from said drain mouth, to direct a shower-like bunch of water jets from said discharge portion directly against the center of said uncovered drain mouth for preventing the escape of objectionable odors from below said drain mouth through said drain mouth.
Claim 3
Dependent Claim
32 words
The device in accordance with claim 1, wherein laterally pointing outlet holes are provided in said spray nozzle, said holes directing liquid jets tangentially against the inside surface of said closet bowl.
References Cited (Backward Citations)
US832897A
Cited
US936706A
Cited
US1377185A
Cited
US2078415A
Cited
US3224013A
Cited
US3397410A
Cited
US3577568A
Cited
US3593345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |