US4087925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand drier
Assignee: Individual
•
Filing: 1976-11-26
•
Granted: 1978-05-09
•
Expires: 1996-11-26
Abstract
Abstract A hand drier comprising a fan arranged in a housing having an air inlet and an air outlet, and a heating device for warming the air passing through the housing, is characterized by the provision in the housing of a micro glass fibre fleece through which the air is filtered. A sterilizer tube or lamp may also be provided in the housing for killing bacteria drawn into the housing by the air flow.
Inventors
- 👤 Artur Bienek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:07
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/48
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
90 words
In a hand drier including a housing having an air inlet and an air outlet, a fan in the housing operable to draw air into the housing through the air inlet and blow air out of the housing through the air outlet and a heating device for warming air in the housing, the improvement comprising a micro glass fibre fleece disposed in the housing between the air inlet and the fan, and a sterilizer lamp located closely adjacent to said fleece and directed to radiate sterilizing rays onto said fleece.
Claim 2
Dependent Claim
90 words
In a hand drier including a housing having an air inlet and an air outlet, a fan in the housing operable to draw air into the housing through the air inlet and blow air out of the housing through the air outlet and a heating device for warming air in the housing, the improvement comprising a micro glass fibre fleece disposed in the housing between the air inlet and the fan, and a sterilizer lamp located closely adjacent to said fleece and directed to radiate sterilizing rays onto said fleece.
Claim 3
Dependent Claim
34 words
In the hand drier defined in claim 1, the sterilizer lamp being disposed between the air inlet and the micro glass fibre fleece and radiating sterilizing rays onto the inflow surface of the fleece.
Claim 4
Dependent Claim
44 words
In the hand drier defined in claim 1, the sterilizer lamp emitting sterilizing rays whether or not the fan is actuated to draw air through the air inlet and to blow air through the air outlet, for substantially continuously sterilizing air in the housing.
Claim 5
Dependent Claim
30 words
In the hand drier defined in claim 1, the micro glass fibre fleece being generally planar and disposed obliquely relative to the side of the housing having the air inlet.
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) | 1981-05-08 | 1981-11-07 | 1982-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-08 | 1985-11-07 | 1986-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-08 | 1989-11-07 | 1990-05-09 | $7700.00 | Window Closed / Lapsed |