US4017916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toilet ventilator including motion-responsive electrical transducer
Assignee: Individual
•
Filing: 1975-12-04
•
Granted: 1977-04-19
•
Expires: 1995-12-04
Abstract
Abstract A ventilator for toilets is disclosed which includes an air duct to receive and remove the odorous air, an air suction device to establish the odorous air flow, a control for initiating and terminating the odorous air flow, and an electrical transducer responsive to the motion of the toilet flushing mechanism so as to terminate the air flow at the moment the toilet is flushed.
Inventors
- 👤 Raymond H. Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:14
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/04; E03D9/05; E03D9/052
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
130 words
A deodorizing accessary for water closets, said water closet including a toilet bowl and water tank, said water tank including a flushing mechanism having an external operating appendage disposed on the outside of said water tank, said accessary comprising electric air blower means suitably communicative with said water closet so as to remove odorous air from said toilet bowl, and control means, said control means including switching means operable to initiate said air blower means, said control means also including electrical transducer means responsive to the motion of said flushing mechanism, said electrical transducer means having at least one parameter which is a function of said motion, whereby said air blower means may be terminated in response to the motion of said flushing mechanism when said water closet is flushed.
Claim 2
Dependent Claim
130 words
A deodorizing accessary for water closets, said water closet including a toilet bowl and water tank, said water tank including a flushing mechanism having an external operating appendage disposed on the outside of said water tank, said accessary comprising electric air blower means suitably communicative with said water closet so as to remove odorous air from said toilet bowl, and control means, said control means including switching means operable to initiate said air blower means, said control means also including electrical transducer means responsive to the motion of said flushing mechanism, said electrical transducer means having at least one parameter which is a function of said motion, whereby said air blower means may be terminated in response to the motion of said flushing mechanism when said water closet is flushed.
Claim 3
Dependent Claim
19 words
The invention as set forth in claim 1, said switching means also operable to terminate said air blower means.
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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) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |