
US Patent No: 6,244,720
Number of patents in Portfolio can not be more than 2000
Air filter and light apparatus
Stats
-
Jun 12, 2001
Issued date -
Dec 23, 1999
filing date -
09/470,760
serial no -
Expired
status
Importance
Abstract
A air filter and light apparatus for filtering the air of a room while simultaneously illuminating the room. The air filter and light apparatus includes a base portion having a bottom wall. The bottom wall has a peripheral edge. A side wall extends away from and is integrally coupled to the peripheral edge. The side wall has a plurality of slots therein. A motor is fixedly mounted to the bottom wall. A plurality of wires deliver power to the motor. The wires are operationally coupled to a power source and to the motor. A fan for directing airflow from a central portion of the base through the slots is rotatably coupled to the motor. A cover for the base portion has a central portion having a bore therein. A light source illuminates the cover. The light source is mounted in the cover. A filter for filtering the air is mounted in the bore of the cover. An actuator controls the motor and the light source.
First Claim
Related Publications
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| D383202 Portable room air purifier | 13 | 1992 | |
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| 5,189,412 Remote control for a ceiling fan | 100 | 1990 | |
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| 4,849,862 Suspended air purifier light fixture | 29 | 1988 | |
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| 4,439,816 Lighting and air filter structure | 13 | 1981 | |
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| 4,926,293 Lighting and air freshener fixture | 12 | 1989 | |
| 5,443,625 Air filtering fixture | 44 | 1994 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 12, 2012 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |