Patent US3339902A successfully refreshed from Google Patents.
US3339902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifier
Assignee: Lau Blower Co
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Filing: 1965-04-29
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Granted: 1967-09-05
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Expires: 1985-04-29
Abstract
No abstract record available.
Inventors
- 👤 Warner W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:25
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/0011; F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; Y; Y10; Y10S; Y10S261/00; Y10S261/15; Y10S261/34; Y10S261/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
325 words
A HUMIDIFIER OF THE CHARACTER DESCRIBED COMPRISING, AN ELONGATED ENCLOSED INNER HOUSING ADAPTED TO BE MOUNTED BETWEEN THE VERTICAL STUDS IN A WALL OF A CONVENTIONAL DWELLING, SAID INNER HOUSING DEFINING AN ELONGATED CENTRAL CHAMBER HAVING A RECTANGULAR HORIZONTAL CROSS-SECTION, A FRONT COVER MOUNTED ON SAID INNER HOUSING AND BEING DISPOSED OUTWARDLY OF SAID WALL, MEANS FOR REMOVING AT LEAST A PORTION OF SAID FRONT COVER FOR ACCESS TO SAID INNER HOUSING, MEANS DEFINING ELONGATED RELATIVELY NARROW VERTICAL INLET AND OUTLET OPENINGS IN THE OPPOSITE EDGES OF THE FRONT OF SAID HOUSING SUBSTANTIALLY COEXTENSIVE WITH THE LENGTH OF SAID HOUSING, SAID OPENINGS BEING DISPOSED OUTWARDLY OF THE ADJACENT WALL AND AT AN ANGLE THERETO SO THAT SAID OPENINGS FACE IN OPPOSITE DIRECTIONS, A MEDIA ASSEMBLY MOUNTED IN SAID CENTRAL CHAMBER AND INCLUDING SUPPORT DRUMS MOUNTED IN SAID HOUSING AT THE BOTTOM AND TOP OF SAID CHAMBER, A HIGHLY POROUS NONSTRETCHABLE EVAPORATOR BELT ON SAID DRUMS HAVING A WIDTH SUBSTANTIALLY EQUAL TO THE WIDTH OF SAID CHAMBER SO THAT SAID INLET AND OUTLET OPENINGS ARE SEPARATED BY SAID BELT, DRIVE MEANS FOR MOVING SAID BELT ALONG A PREDETERMINED PATH, ELONGATED TANGENTIAL BLOWER MEANS MOUNTED FOR ROTATION IN SAID CENTRAL CHAMBER ADJACENT SAID INLET OPENING PARALLEL TO SAID EVAPORATOR BELT FOR MOVING AIR THROUGH SAID INLET OPENING AND THROUGH SAID EVAPORATOR BELT AND OUTWARDLY OF SAID HOUSING THROUGH SAID OUTLET OPENING, SAID BELT HAVING A LENGTH BETWEEN SAID SUPPORT DRUMS WHICH IS SUBSTANTIALLY EQUAL TO THE LENGTH OF SAID OPENINGS AND TO THE LENGTH OF SAID BLOWER MEANS, RESERVOIR MEANS IN SAID HOUSING AT LEAST PARTIALLY ENCLOSING THE LOWER PORTION OF ONE OF SAID SUPPORT DRUMS, MEANS ADAPTED TO MAINTAIN A PRESET LEVEL OF WATER IN SAID RESERVOIR MEANS SO THAT SAID BELT IS WETTED AS IT MOVES WITH SAID SUPORT DRUMS, AND SAID BLOWER MEANS AND SAID DRIVE MEANS BEING CORRELATED SO THAT SAID BELT REMAINS WET AT ALL TIMES DURING OPERATION OF SAID DRIVE MEANS.
Claim 2
Dependent Claim
325 words
A HUMIDIFIER OF THE CHARACTER DESCRIBED COMPRISING, AN ELONGATED ENCLOSED INNER HOUSING ADAPTED TO BE MOUNTED BETWEEN THE VERTICAL STUDS IN A WALL OF A CONVENTIONAL DWELLING, SAID INNER HOUSING DEFINING AN ELONGATED CENTRAL CHAMBER HAVING A RECTANGULAR HORIZONTAL CROSS-SECTION, A FRONT COVER MOUNTED ON SAID INNER HOUSING AND BEING DISPOSED OUTWARDLY OF SAID WALL, MEANS FOR REMOVING AT LEAST A PORTION OF SAID FRONT COVER FOR ACCESS TO SAID INNER HOUSING, MEANS DEFINING ELONGATED RELATIVELY NARROW VERTICAL INLET AND OUTLET OPENINGS IN THE OPPOSITE EDGES OF THE FRONT OF SAID HOUSING SUBSTANTIALLY COEXTENSIVE WITH THE LENGTH OF SAID HOUSING, SAID OPENINGS BEING DISPOSED OUTWARDLY OF THE ADJACENT WALL AND AT AN ANGLE THERETO SO THAT SAID OPENINGS FACE IN OPPOSITE DIRECTIONS, A MEDIA ASSEMBLY MOUNTED IN SAID CENTRAL CHAMBER AND INCLUDING SUPPORT DRUMS MOUNTED IN SAID HOUSING AT THE BOTTOM AND TOP OF SAID CHAMBER, A HIGHLY POROUS NONSTRETCHABLE EVAPORATOR BELT ON SAID DRUMS HAVING A WIDTH SUBSTANTIALLY EQUAL TO THE WIDTH OF SAID CHAMBER SO THAT SAID INLET AND OUTLET OPENINGS ARE SEPARATED BY SAID BELT, DRIVE MEANS FOR MOVING SAID BELT ALONG A PREDETERMINED PATH, ELONGATED TANGENTIAL BLOWER MEANS MOUNTED FOR ROTATION IN SAID CENTRAL CHAMBER ADJACENT SAID INLET OPENING PARALLEL TO SAID EVAPORATOR BELT FOR MOVING AIR THROUGH SAID INLET OPENING AND THROUGH SAID EVAPORATOR BELT AND OUTWARDLY OF SAID HOUSING THROUGH SAID OUTLET OPENING, SAID BELT HAVING A LENGTH BETWEEN SAID SUPPORT DRUMS WHICH IS SUBSTANTIALLY EQUAL TO THE LENGTH OF SAID OPENINGS AND TO THE LENGTH OF SAID BLOWER MEANS, RESERVOIR MEANS IN SAID HOUSING AT LEAST PARTIALLY ENCLOSING THE LOWER PORTION OF ONE OF SAID SUPPORT DRUMS, MEANS ADAPTED TO MAINTAIN A PRESET LEVEL OF WATER IN SAID RESERVOIR MEANS SO THAT SAID BELT IS WETTED AS IT MOVES WITH SAID SUPORT DRUMS, AND SAID BLOWER MEANS AND SAID DRIVE MEANS BEING CORRELATED SO THAT SAID BELT REMAINS WET AT ALL TIMES DURING OPERATION OF SAID DRIVE MEANS.
References Cited (Backward Citations)
CA700093A
Cited
US691312A
Cited
US2646061A
Cited
US2808237A
Cited
US3232522A
Cited
GB943768A
Cited
US3252691A
Cited
US3200609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |