Patent US4248570A successfully refreshed from Google Patents.
US4248570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air blower for spas or the like
Assignee: CONGER BROTHERS Manufacturing CO Inc
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Filing: 1978-04-17
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Granted: 1981-02-03
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Expires: 1998-04-17
Abstract
Abstract In an air blower of the type including a housing having an air inlet and a motor and a fan positioned in the housing, there is disclosed an improvement wherein the housing has first and second outlets and a pivotable plate for selectively sealing either of the outlets so that a single blower can be used to drive two different air flow systems. The housing also has a mechanical device for controlling the rate of air flow into the outlets.
Inventors
- 👤 William W. Conger, IV
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:30
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/422; A; A61; A61H; A61H33/00; A61H33/02; A61H33/028; A61H33/60; F04D27/00; F04D27/002; F04D29/4226; F04D29/4246
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
113 words
In an air blower of the type including a housing having an air inlet, an air outlet, and a motor and a fan positioned in said housing between said inlet and said outlet, the improvement comprising: a second outlet in said housing; a threaded, hollow neck projecting from said housing, coaxially with said second outlet; and a threaded cap engaging said neck and preventing air flow therethrough, said cap having at least one hole in the side thereof, said hole being blocked by said neck to prevent air flow therethrough in one position of said cap and being clear of said neck to permit air flow therethrough in another position of said cap.
Claim 2
Dependent Claim
113 words
In an air blower of the type including a housing having an air inlet, an air outlet, and a motor and a fan positioned in said housing between said inlet and said outlet, the improvement comprising: a second outlet in said housing; a threaded, hollow neck projecting from said housing, coaxially with said second outlet; and a threaded cap engaging said neck and preventing air flow therethrough, said cap having at least one hole in the side thereof, said hole being blocked by said neck to prevent air flow therethrough in one position of said cap and being clear of said neck to permit air flow therethrough in another position of said cap.
Claim 3
Dependent Claim
19 words
In an air blower according to claim 1, the improvement wherein said cap has a plurality of holes therein.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |