Patent US2578110A successfully refreshed from Google Patents.
Patent US3649972A successfully refreshed from Google Patents.
US3649972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating system
Assignee: Individual
•
Filing: 1970-01-30
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Granted: 1972-03-21
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Expires: 1990-01-30
Abstract
Abstract Odors are removed from toilet bowls and/or bed pans by a blower through a suction pipe, with the exhaust outlet connected to a drain through which flushing water is conducted from a toilet bowl or wash basin. The blower is operated by a switch controlled electric motor.
Inventors
- 👤 Edward W Sowards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:40
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/04; E03D9/05; E03D9/052
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
93 words
In combination with a drain through which waste flushing water is conducted under gravity induced flow, a conduit conducting the waste flushing water to the drain and a conventional toilet receptacle adapted to receive a source of odors, means for ventilating the receptacle to remove said odors comprising power operated blower means mounted in spaced relation to the receptacle inducing a forced flow of air, intake means connecting the blower means directly to said receptacle independently and separately of the conduit, and an exhaust outlet duct connecting the blower means to the drain.
Claim 2
Dependent Claim
93 words
In combination with a drain through which waste flushing water is conducted under gravity induced flow, a conduit conducting the waste flushing water to the drain and a conventional toilet receptacle adapted to receive a source of odors, means for ventilating the receptacle to remove said odors comprising power operated blower means mounted in spaced relation to the receptacle inducing a forced flow of air, intake means connecting the blower means directly to said receptacle independently and separately of the conduit, and an exhaust outlet duct connecting the blower means to the drain.
Claim 3
Dependent Claim
24 words
The combination of claim 1 wherein said intake means includes a flexible hose connected to the receptacle which is constituted by a bed pan.
Claim 4
Dependent Claim
58 words
The combination of claim 1 wherein said intake means includes an inlet duct having an end portion projecting into the receptacle, a connecting conduit connected to said inlet duct and communicating therewith, said connecting conduit having opposite ends spaced laterally of said inlet duct, and a suction tube connecting one of said opposite ends to the blower means.
Claim 5
Dependent Claim
32 words
The combination of claim 3 including a flexible hose connected to the other end of the connecting conduit and a bed pan connected to the flexible hose from which odors are removed.
Claim 6
Dependent Claim
17 words
The combination of claim 4 wherein said receptacle is a toilet bowl which the drain extends downwardly.
Claim 7
Dependent Claim
43 words
The combination of claim 5 including a switch connected to the blower means, a toilet seat pivotally mounted on the toilet bowl and switch actuating means engageable by the seat in a closed position for actuating the switch to energize the blower means.
Claim 8
Dependent Claim
23 words
The combination of claim 6 including remote control means mounted by the actuating means for selectively actuating the switch Independently of the seat.
Claim 9
Dependent Claim
49 words
The combination of claim 7 including a vane movably mounted in said end portion of the duct, means biasing the vane to flow blocking position, and means mounted on the seat for displacing and holding the vane in an open position when the seat is in said closed position.
Claim 10
Dependent Claim
13 words
The combination of claim 2 wherein said drain extends from a wash basin.
Claim 11
Dependent Claim
18 words
The combination of claim 1 wherein said receptacle is a toilet bowl from which the drain extends downwardly.
Claim 12
Dependent Claim
43 words
The combination of claim 10 including a switch connected to the blower means, a toilet seat pivotally mounted on the toilet bowl and switch actuating means engageable by the seat in a closed position for actuating the switch to energize the blower means.
Claim 13
Dependent Claim
23 words
The combination of claim 11 including remote control means mounted by the actuating means for selectively actuating the switch independently of the seat.
Claim 14
Dependent Claim
49 words
The combination of claim 3 including a vane movably mounted in end portion of the duct, means biasing the vane to a flow blocking position, and means mounted on the seat for displacing and holding the vane in an open position when the seat is in said closed position.
Claim 15
Dependent Claim
32 words
The combination of claim 13 including a flexible hose connected to the other end of the connecting conduit and a bed pan connected to the flexible hose from which odors are removed.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |