US3687424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporizer having a fill hole
Assignee: Individual
•
Filing: 1970-03-30
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Granted: 1972-08-29
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Expires: 1990-03-30
Abstract
Abstract A humidifier comprising a container having a bowl-shaped lower portion. Integral with the lower portion is an upper wall which slants upwardly and inwardly and terminates in a top having a main opening for receiving a vapor-producing head. A Baffle is integral with the upper wall and is spaced between an outlet opening and the main opening. A fill opening having a conical downwardly and inwardly tapering wall extending below the outlet opening is provided at a location diametrically opposite the outlet opening.
Inventors
- 👤 Lawrence Katzman
- 👤 Edward Briggin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:28
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; A; A61; A61L; A61L9/00; A61L9/14; F24F6/06; Y; Y10; Y10S; Y10S261/00; Y10S261/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
154 words
A humidifier comprising a container having a bowl-shaped lower portion, an upper wall integral with said lower portion, a top integral with said upper wall, said top having a main opening therethrough and an inwardly extending peripheral flange surrounding said top, a vapor-producing head seated on said flange, said upper wall having an outlet opening therein below said main opening, a downwardly extending baffle integral with said upper wall and Extending only substantially half way about said main opening, said baffle being disposed between said outlet opening and said main opening, and a tapered fill opening in said upper wall located on the side of said baffle opposite said outlet opening said fill opening being provided with a downwardly and inwardly extending integral conical wall extending below said upper wall and terminating in an inlet below said outlet opening of a size to be closed by a liquid film during operation of said humidifier.
Claim 2
Dependent Claim
154 words
A humidifier comprising a container having a bowl-shaped lower portion, an upper wall integral with said lower portion, a top integral with said upper wall, said top having a main opening therethrough and an inwardly extending peripheral flange surrounding said top, a vapor-producing head seated on said flange, said upper wall having an outlet opening therein below said main opening, a downwardly extending baffle integral with said upper wall and Extending only substantially half way about said main opening, said baffle being disposed between said outlet opening and said main opening, and a tapered fill opening in said upper wall located on the side of said baffle opposite said outlet opening said fill opening being provided with a downwardly and inwardly extending integral conical wall extending below said upper wall and terminating in an inlet below said outlet opening of a size to be closed by a liquid film during operation of said humidifier.
Claim 3
Dependent Claim
22 words
A humidifier according to claim 1, wherein said inlet is of a diameter less than one-third the diameter of said fill opening.
Claim 4
Dependent Claim
38 words
A humidifier according to claim 2, wherein said upper wall extends sloping upwardly and inwardly, said baffle being V-shaped in cross section and extending below said outlet opening, said fill opening being diametrically opposed to said outlet opening.
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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |