US3352297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifiers
Assignee: Lau Blower Co
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Filing: 1967-04-07
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Granted: 1967-11-14
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Expires: 1987-04-07
Abstract
No abstract record available.
Inventors
- 👤 Warner W Martin
- 👤 Jr Clifton D Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:09
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06; Y; Y10; Y10S; Y10S261/00; Y10S261/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A HUMIDIFIER ADAPTED TO INCREASE THE AMOUNT OF WATER VAPOR IN AIR USING A WATER SUPPLY HAVING VARIOUS SALTS AND THE LIKE IN SOLUTION, SAID HUMIDIFIER COMPRISING A HOUSING A RESERVOIR IN SAID HOUSING, INLET MEANS TO SAID RESERVOIR THROUGH WHICH A SUPPLY OF WATER CAN BE CONNECTED, MEANS DEFINING AN AIR INLET INTO SAID HOUSING AND AN AIR OUTLET FROM SAID HOUSING, EVAPORATOR MEANS MOUNTED IN SAID HOUSING BETWEEN SAID INLET AND SAID OUTLET TO CAUSE SUBSTANTIALLY THE ENTIRE AIR FLOW THERETHROUGH TO PASS THROUGH SAID EVAPORATOR MEANS, SAID EVAPORATOR MEANS INCLUDING A POROUS NON-ABSORBENT EVAPORATOR MATERIAL FORMED OF A PLURALITY OF INTEGRALLY INTERCONNECTED RELATIVELY THIN STRANDS ARRANGED THREE DIMENSIONALLY TO FORM A RANDOM ARRANGMENT OF INTERCONNECTED PORES PROVIDING PASSAGES THROUGH WHICH THE AIR WILL READILY FLOW AND ON WHICH STRANDS A PORTION OF THE SALTS WILL COLLECT AND ACCUMULATE DURING EVAPORATION OF WATER THEREFROM TENDING GRADUALLY TO DECREASE THE SIZE OF THE PASSAGES, SAID PORES BEING SUFFICIENTLY LARGE TO MAINTAIN AN EFFECTIVE FLOW OF AIR THROUGH SAID EVAPORATOR MATERIAL AND THUS
Claim 2
Dependent Claim
173 words
A HUMIDIFIER ADAPTED TO INCREASE THE AMOUNT OF WATER VAPOR IN AIR USING A WATER SUPPLY HAVING VARIOUS SALTS AND THE LIKE IN SOLUTION, SAID HUMIDIFIER COMPRISING A HOUSING A RESERVOIR IN SAID HOUSING, INLET MEANS TO SAID RESERVOIR THROUGH WHICH A SUPPLY OF WATER CAN BE CONNECTED, MEANS DEFINING AN AIR INLET INTO SAID HOUSING AND AN AIR OUTLET FROM SAID HOUSING, EVAPORATOR MEANS MOUNTED IN SAID HOUSING BETWEEN SAID INLET AND SAID OUTLET TO CAUSE SUBSTANTIALLY THE ENTIRE AIR FLOW THERETHROUGH TO PASS THROUGH SAID EVAPORATOR MEANS, SAID EVAPORATOR MEANS INCLUDING A POROUS NON-ABSORBENT EVAPORATOR MATERIAL FORMED OF A PLURALITY OF INTEGRALLY INTERCONNECTED RELATIVELY THIN STRANDS ARRANGED THREE DIMENSIONALLY TO FORM A RANDOM ARRANGMENT OF INTERCONNECTED PORES PROVIDING PASSAGES THROUGH WHICH THE AIR WILL READILY FLOW AND ON WHICH STRANDS A PORTION OF THE SALTS WILL COLLECT AND ACCUMULATE DURING EVAPORATION OF WATER THEREFROM TENDING GRADUALLY TO DECREASE THE SIZE OF THE PASSAGES, SAID PORES BEING SUFFICIENTLY LARGE TO MAINTAIN AN EFFECTIVE FLOW OF AIR THROUGH SAID EVAPORATOR MATERIAL AND THUS
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |