US3859398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outboard heating device
Assignee: CREDITANSTALT-BANKVEREIN
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Filing: 1972-10-05
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Granted: 1975-01-07
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Expires: 1992-10-05
Abstract
Abstract In a nebulizer an assembly for continuously heating water drawn from a reservoir to a nebulizing chamber comprises a hollow spool for directing water from the reservoir to a heating chamber, an exterior jacket spaced from the spool to provide a heating chamber and a heater surrounding at least a portion of the jacket.
Inventors
- 👤 Harold R Havstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:34
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/04; A61M11/041; Y; Y10; Y10S; Y10S261/00; Y10S261/65
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
121 words
In a nebulizer having a tube for drawing liquid from a reservoir to a nebulizing chamber, an improved heater assembly comprising: a. an inner conduit comprising a hollow spool having an inlet port adjacent said reservoir and an outlet port communicating with a heating chamber, b. an exterior jacket spaced apart from said inner conduit whereby said jacket and conduit cooperate to define said heating chamber therebetween, c. means communicating with said reservoir for directing liquid therefrom to said conduit inlet port, and d. a heater surrounding at least a portion of said jacket for providing heat thereto, whereby liquid is drawn from said nebulizer reservoir, through said conduit and into said heating chamber prior to nebulization in said nebulizing chamber.
Claim 2
Dependent Claim
121 words
In a nebulizer having a tube for drawing liquid from a reservoir to a nebulizing chamber, an improved heater assembly comprising: a. an inner conduit comprising a hollow spool having an inlet port adjacent said reservoir and an outlet port communicating with a heating chamber, b. an exterior jacket spaced apart from said inner conduit whereby said jacket and conduit cooperate to define said heating chamber therebetween, c. means communicating with said reservoir for directing liquid therefrom to said conduit inlet port, and d. a heater surrounding at least a portion of said jacket for providing heat thereto, whereby liquid is drawn from said nebulizer reservoir, through said conduit and into said heating chamber prior to nebulization in said nebulizing chamber.
Claim 3
Dependent Claim
30 words
The assembly of claim 1 including a channel between said heating chamber and said nebulizer tube and communicating therewith for directing heated liquid from said heating chamber to said tube.
Claim 4
Dependent Claim
51 words
The assembly of claim 2 wherein said nebulizer includes a cavity between said reservoir and said tube and wherein said spool extends into said cavity and is in sealing engagement therewith whereby liquid must pass successively through said conduit, heating chamber and channel prior to being drawn into said nebulizer tube.
References Cited (Backward Citations)
US451822A
Cited
US2005229A
Cited
US1554219A
Cited
US2040630A
Cited
US3584965A
Cited
US3695516A
Cited
US3683153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |