US3879768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for humidifying and purifying air
Assignee: Individual
•
Filing: 1974-04-05
•
Granted: 1975-04-29
•
Expires: 1994-04-05
Abstract
Abstract Air humidifying and purifying apparatus comprises a fluid reservoir with an open ended, upstanding tube extending upward out of the reservoir. The apparatus includes means for raising the fluid in the reservoir to the upper extremity of the tube, and additional means at the upper extremity for breaking the fluid passing therethrough into rivulets.
Inventors
- 👤 Joseph I Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:15
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/04
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
67 words
Air humidifying and purifying apparatus for use with a toilet comprising: a toilet having a tank comprising a fluid reservoir; means for draining said tank; (and) means for refilling said tank; an open-ended, upstanding tube extending out of said reservoir; means for raising fluid in said reservoir to the upper extremity of said tube; and means at the upper extremity for breaking fluid passing therethrough into rivulets.
Claim 2
Dependent Claim
67 words
Air humidifying and purifying apparatus for use with a toilet comprising: a toilet having a tank comprising a fluid reservoir; means for draining said tank; (and) means for refilling said tank; an open-ended, upstanding tube extending out of said reservoir; means for raising fluid in said reservoir to the upper extremity of said tube; and means at the upper extremity for breaking fluid passing therethrough into rivulets.
Claim 3
Dependent Claim
25 words
The apparatus recited in claim 1 further comprising sound deadening means interposed in the path of said rivulets at a lower portion of said tube.
Claim 4
Dependent Claim
31 words
The apparatus recited in claim 1 wherein said fluid raising means comprises: a pump in said tank; and a pipe communicating with said pump and the upper extension of said tank.
Claim 5
Dependent Claim
29 words
The apparatus recited in claim 3 wherein said rivulet means comprises a plate positioned in the upper extremity of said tube, said plate having a plurality of apertures therein.
Claim 6
Dependent Claim
17 words
The apparatus recited in claim 4 wherein said plate has a substantially smaller dimension than said tube.
Claim 7
Dependent Claim
20 words
The apparatus recited in claim 5 further comprising means for suspending said plate in the upper extremity of said tube.
Claim 8
Dependent Claim
30 words
The apparatus as recited in claim 6 further comprising a member removably mounted in the upper extremity of said tube, wherein said member supports said plate and said suspending means.
Claim 9
Dependent Claim
16 words
The apparatus recited in claim 7, wherein said pipe has an opening positioned over said plate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-28 | 1978-10-28 | 1979-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-28 | 1982-10-28 | 1983-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-28 | 1986-10-28 | 1987-04-29 | $7700.00 | Window Closed / Lapsed |