Patent US3937232A successfully refreshed from Google Patents.
US3937232A
Expired / Lapsed
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Liquid feeding means for steam-producing appliance
Assignee: Continental Hair Products Inc
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Filing: 1975-01-29
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Granted: 1976-02-10
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Expires: 1995-01-29
Abstract
Abstract A liquid feeding means including a reservoir for a liquid and a wick of absorbent material within the reservoir. A portion of the wick is exposed exteriorly of the reservoir for engagement by a heated element so as to produce steam. A tube having an inside diameter of capillary size is embedded in the wick and extends from its exposed portion toward the reservoir to transmit air into the reservoir as water from the reservoir is converted to steam.
Inventors
- 👤 Patrick M. Tomaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:47
CPC Classifications
A; A45; A45D; A45D1/00; A45D1/02; A45D1/04; A45D2001/008
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
90 words
A liquid feeding means for a steam-producing appliance, comprising: a. a reservoir for containing liquid, b. a wick of absorbent material communicating with the interior of said reservoir, a portion of said wick being exposed exteriorly of said reservoir for engagement by a heated element to produce steam, and c. means extending to the exposed portion of said wick for transmitting air through said wick into said reservoir as liquid is evaporated from the exposed portion of said wick to replace liquid drawn out of said reservoir through said wick.
Claim 2
Dependent Claim
90 words
A liquid feeding means for a steam-producing appliance, comprising: a. a reservoir for containing liquid, b. a wick of absorbent material communicating with the interior of said reservoir, a portion of said wick being exposed exteriorly of said reservoir for engagement by a heated element to produce steam, and c. means extending to the exposed portion of said wick for transmitting air through said wick into said reservoir as liquid is evaporated from the exposed portion of said wick to replace liquid drawn out of said reservoir through said wick.
Claim 3
Dependent Claim
34 words
A liquid feeding means as defined in claim 1 wherein said air-transmitting means is completely surrounded by said wick, except for a part of said means exposed in the exposed portion of said wick.
Claim 4
Dependent Claim
32 words
A liquid feeding means as defined in claim 1 wherein said air-transmitting means includes a tube embedded in said wick and extending from the exposed portion of said wick toward said reservoir.
Claim 5
Dependent Claim
19 words
A liquid feeding means as defined in claim 3 wherein said tube has an inside diameter of capillary size.
Claim 6
Dependent Claim
29 words
A liquid feeding means as defined in claim 3 wherein said wick is slit from its exposed portion toward said reservoir, and said tube is arranged within said slit.
Claim 7
Dependent Claim
37 words
A liquid feeding means as defined in claim 3 wherein one end of said tube is flush with the end of the exposed portion of said wick, the remainder of said tube being embedded in said wick.
References Cited (Backward Citations)
US2779962A
Cited
US3835292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-09 | 1979-08-11 | 1980-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-09 | 1983-08-11 | 1984-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-09 | 1987-08-11 | 1988-02-10 | $7700.00 | Window Closed / Lapsed |