US3287002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifiers
Assignee: Individual
•
Filing: 1963-01-18
•
Granted: 1966-11-22
•
Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 William T Sevald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:26
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
109 words
A HUMIDIFIER COMPRISING, A WATER PAN, VALVE MEANS FOR ADMITTING A SUPPLY OF WATER TO SAID PAN A FAN OVER SAID PAN, TIPS ON SAID FAN FOR DIPPING INTO WATER IN SAID PAN TO SPRAY WATER PARTICLES IN CONJUNCTION WITH FAN ROTATION, AND FLOAT MEANS IN SAID HOUSING FOR FLOATING ON WATER IN SAID PAN FOR AT LEAST PARTIALLY SUPPORTING SAID FAN TO POSITION SAID FAN CLEAR OF WATER IN THE PAN AND SO AS TO AT LEAST PARTIALLY IMMERSE SAID FAN TIPS IN WATER IN SAID PAN; SAID FLOAT MEANS LOCATING SAID FAN RELATIVE TO THE ACTUAL WATER LEVEL IN SAID PAN AS SUPPLIED BY SAID VALVE MEANS.
Claim 2
Dependent Claim
109 words
A HUMIDIFIER COMPRISING, A WATER PAN, VALVE MEANS FOR ADMITTING A SUPPLY OF WATER TO SAID PAN A FAN OVER SAID PAN, TIPS ON SAID FAN FOR DIPPING INTO WATER IN SAID PAN TO SPRAY WATER PARTICLES IN CONJUNCTION WITH FAN ROTATION, AND FLOAT MEANS IN SAID HOUSING FOR FLOATING ON WATER IN SAID PAN FOR AT LEAST PARTIALLY SUPPORTING SAID FAN TO POSITION SAID FAN CLEAR OF WATER IN THE PAN AND SO AS TO AT LEAST PARTIALLY IMMERSE SAID FAN TIPS IN WATER IN SAID PAN; SAID FLOAT MEANS LOCATING SAID FAN RELATIVE TO THE ACTUAL WATER LEVEL IN SAID PAN AS SUPPLIED BY SAID VALVE MEANS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |