Patent US5083120A successfully refreshed from Google Patents.
Patent US3756579A successfully refreshed from Google Patents.
US3756579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifier
Assignee: Electrohome Ltd
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Filing: 1971-07-15
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Granted: 1973-09-04
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Expires: 1991-07-15
Abstract
Abstract A humidifier having a housing in which are located primary and secondary reservoirs, the latter being readily removable from the housing. Means are provided for transferring water from the primary to the secondary reservoir, and the drum or belt is arranged to move through water in the secondary reservoir.
Inventors
- 👤 C Remick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:59
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
183 words
A humidifier comprising a housing, primary and secondary water reservoirs located within said housing, said secondary reservoir comprising a member adapted to contain water, said member being removably located within said housing and readily removable therefrom, said member being located above said primary reservoir, a web of a porous material that is adapted to pick uP water, said web being removably located in said housing above said secondary reservoir and being adapted to move through water in and pick up water from said secondary reservoir, a propellor adapted to move air from outside of said housing through said web, means for transferring water from said primary reservoir to said secondary reservoir, and driving means including a single motor for driving said web, said propeller and at least a part of said means for transferring water from said primary reservoir to said secondary reservoir, said part of said means for transferring water from said primary reservoir to said secondary reservoir including a pulley and a belt, said belt being looped over and driven by said pulley and dipping into water in said primary reservoir.
Claim 2
Dependent Claim
183 words
A humidifier comprising a housing, primary and secondary water reservoirs located within said housing, said secondary reservoir comprising a member adapted to contain water, said member being removably located within said housing and readily removable therefrom, said member being located above said primary reservoir, a web of a porous material that is adapted to pick uP water, said web being removably located in said housing above said secondary reservoir and being adapted to move through water in and pick up water from said secondary reservoir, a propellor adapted to move air from outside of said housing through said web, means for transferring water from said primary reservoir to said secondary reservoir, and driving means including a single motor for driving said web, said propeller and at least a part of said means for transferring water from said primary reservoir to said secondary reservoir, said part of said means for transferring water from said primary reservoir to said secondary reservoir including a pulley and a belt, said belt being looped over and driven by said pulley and dipping into water in said primary reservoir.
Claim 3
Dependent Claim
24 words
A humidifier according to claim 1 wherein said web is a sleeve, said sleeve being supported on a frame and being annular in configuration.
Claim 4
Dependent Claim
85 words
A humidifier according to claim 2 wherein said driving means for driving both said web and said means for transferring water from said primary reservoir to said secondary reservoir includes a gear reduction unit and wherein said driving means for driving said web includes a clutch having first and second engageable and disengageable members, said first member being connected to and driven by said gear reduction unit and adapted to drive said second member when engaged therewith, said second member being connected to said frame.
Claim 5
Dependent Claim
63 words
A humidifier according to claim 1 wherein said means for transferring water from said primary reservoir to said secondary reservoir includes a trough having a part thereof located below said pulley and extending therefrom to adjacent said secondary reservoir to discharge water carried up from said primary reservoir by said belt and dropped into said part of said trough into said secondary reservoir.
Claim 6
Dependent Claim
24 words
A humidifier according to claim 4 wherein said web is a sleeve, said sleeve being supported on a frame and being annular in configuration.
Claim 7
Dependent Claim
85 words
A humidifier according to claim 5 wherein said driving means for driving both said web and said means for transferring water from said primary reservoir to said secondary reservoir includes a gear reduction unit and wherein said driving means for driving said web includes a clutch having first and second engageable and disengageable members, said first member being connected to and driven by said gear reduction unit and adapted to drive said second member when engaged therewith, said second member being connected to said frame.
Claim 8
Dependent Claim
17 words
A humidifier according to claim 6 wherein said member comprising said secondary reservoir is a shallow pan.
Claim 9
Dependent Claim
23 words
A humidifier according to claim 7 wherein the capacity of said primary reservoir is much greater than the capacity of said secondary reservoir.
References Cited (Backward Citations)
US2105887A
Cited
US2178583A
Cited
US2221003A
Cited
US2365483A
Cited
US2584618A
Cited
US2788198A
Cited
US3306591A
Cited
US3274992A
Cited
US3476365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |