US3348828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air humidifier devices
Assignee: Individual
•
Filing: 1966-01-03
•
Granted: 1967-10-24
•
Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Laing Nikolaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:09
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0007; F04; F04D; F04D17/00; F04D17/02; F04D17/04; F24F5/0035; F24F6/00; F24F6/02; F24F6/04; Y; Y02; Y02B; Y02B30/00; Y02B30/54; Y10; Y10S; Y10S261/00; Y10S261/03; Y10S261/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN AIR HUMIDIFIER COMPRISING A HOUSING HAVING AN INLET AND AN OUTLET, A BLADED CYLINDRICAL ROTOR MOUNTED FOR ROTATION IN SAID HOUSING, A MOTOR FOR ROTATING SAID ROTOR IN A PREDETERMINED DIRECTION, GUIDE MEANS CO-OPERATING WITH THE ROTOR WHEREBY ON ROTATION OF THE ROTOR TO SET UP A FLOW OF AIR IN A DIRECTION PERPENDICULAR TO THE AXIS OF THE ROTOR FROM THE INLET THROUGH THE PATH OF THE ROTATING BLADES TO THE INTERIOR OF THE ROTOR AND THENCE AGAIN THROUGH THE PATH OF THE ROTATION BLADES TO THE OUTLET, AND HUMIDIFYING MEANS EXTENDING OVER THE LENGTH OF THE ROTOR AND PARALLEL TO THE AXIS THEREOF, SAID HUMIDIFYING MEANS INCLUDING ELEMENTS TO CARRYING WATER INTO THE PATH OF SAID FLOW AND MEANS TO SUPPLY WATER TO SAID ELEMENTS.
Claim 2
Dependent Claim
128 words
AN AIR HUMIDIFIER COMPRISING A HOUSING HAVING AN INLET AND AN OUTLET, A BLADED CYLINDRICAL ROTOR MOUNTED FOR ROTATION IN SAID HOUSING, A MOTOR FOR ROTATING SAID ROTOR IN A PREDETERMINED DIRECTION, GUIDE MEANS CO-OPERATING WITH THE ROTOR WHEREBY ON ROTATION OF THE ROTOR TO SET UP A FLOW OF AIR IN A DIRECTION PERPENDICULAR TO THE AXIS OF THE ROTOR FROM THE INLET THROUGH THE PATH OF THE ROTATING BLADES TO THE INTERIOR OF THE ROTOR AND THENCE AGAIN THROUGH THE PATH OF THE ROTATION BLADES TO THE OUTLET, AND HUMIDIFYING MEANS EXTENDING OVER THE LENGTH OF THE ROTOR AND PARALLEL TO THE AXIS THEREOF, SAID HUMIDIFYING MEANS INCLUDING ELEMENTS TO CARRYING WATER INTO THE PATH OF SAID FLOW AND MEANS TO SUPPLY WATER TO SAID ELEMENTS.
References Cited (Backward Citations)
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US1920952A
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US2014773A
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US2942773A
Cited
US2778203A
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US3035760A
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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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |