US3359967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifier
Assignee: Evans Products Co
•
Filing: 1965-12-27
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Granted: 1967-12-26
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Bartell J Homkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; Y; Y10; Y10S; Y10S261/00; Y10S261/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A HUMIDIFYING DEVICE FOR ADDING MOISTURE TO AIR AND FOR WASHING FOREIGN PARTICLES FROM THE AIR COMPRISING HOUSING MEANS DEFINING A SUMP FOR CONTAINING A SOURCE OF WATER, MEANS DEFINING AN AIR PASSAGE FROM AN AIR INLET TO AN AIR OUTLET THROUGH SAID HOUSING MEANS, MEANS DEFINING A VENTURI SECTION WITHIN SAID AIR PASSAGE HAVING A THROAT OF RESTRICTED AREA, A FAN SUPPORTED WITHIN SAID AIR PASSAGE AND INTERPOSED BETWEEN SAID THROAT AND SAID AIR OUTLET, SAID FAN BEING ADAPTED TO CREATE A PRESSURE DIFFERENTIAL UPON OPERATION THEREOF BETWEEN SAID AIR INLET AND SAID AIR OUTLET FOR CIRCULATING AIR THROUGH SAID AIR PASSAGE AND FOR CREATING A REDUCED STATIC PRESSURE AT SAID THROAT, AND CONDUIT MEANS EXTENDING FROM A POINT BENEATH THE NORMAL LIQUID LEVEL IN SAID SUMP TO SAID THROAT FOR DELIVERING WATER TO SAID THROAT IN RESPONSE TO THE AIR FLOW THERETHROUGH, SAID FAN HAVING A PLURALITY OF FAN BLADES SUPPORTED FOR ROTATION WITHIN SAID AIR PASSAGE AND POSITIONED ADJACENT SAID THROAT IN THE PATH OF AIR FLOW TO BE IMPINGED BY THE WATER GLOBULES DISCHARGED INTO SAID AIR
Claim 2
Dependent Claim
181 words
A HUMIDIFYING DEVICE FOR ADDING MOISTURE TO AIR AND FOR WASHING FOREIGN PARTICLES FROM THE AIR COMPRISING HOUSING MEANS DEFINING A SUMP FOR CONTAINING A SOURCE OF WATER, MEANS DEFINING AN AIR PASSAGE FROM AN AIR INLET TO AN AIR OUTLET THROUGH SAID HOUSING MEANS, MEANS DEFINING A VENTURI SECTION WITHIN SAID AIR PASSAGE HAVING A THROAT OF RESTRICTED AREA, A FAN SUPPORTED WITHIN SAID AIR PASSAGE AND INTERPOSED BETWEEN SAID THROAT AND SAID AIR OUTLET, SAID FAN BEING ADAPTED TO CREATE A PRESSURE DIFFERENTIAL UPON OPERATION THEREOF BETWEEN SAID AIR INLET AND SAID AIR OUTLET FOR CIRCULATING AIR THROUGH SAID AIR PASSAGE AND FOR CREATING A REDUCED STATIC PRESSURE AT SAID THROAT, AND CONDUIT MEANS EXTENDING FROM A POINT BENEATH THE NORMAL LIQUID LEVEL IN SAID SUMP TO SAID THROAT FOR DELIVERING WATER TO SAID THROAT IN RESPONSE TO THE AIR FLOW THERETHROUGH, SAID FAN HAVING A PLURALITY OF FAN BLADES SUPPORTED FOR ROTATION WITHIN SAID AIR PASSAGE AND POSITIONED ADJACENT SAID THROAT IN THE PATH OF AIR FLOW TO BE IMPINGED BY THE WATER GLOBULES DISCHARGED INTO SAID AIR
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |