Air purifier device with fan duct
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 2, 2017
Issued Date -
N/A
app pub date -
Nov 20, 2014
filing date -
Feb 18, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An air purifier device is provided including a fan arranged to produce an air flow through the air purifier device, and a fan duct for guiding the air flow produced by the fan. The fan duct extends in an upright direction of the air purifier device. The air purifier device further includes an air intake arranged below a lower end of the fan duct, and an exhaust arranged at an upper end of the fan duct so as to exhaust purified air in an upward direction from the air purifier device when the air purifier device is in use. The fan duct is flared in direction from an intermediate portion of the fan duct towards both it ends, and the fan is arranged at least partly in the intermediate portion. A facilitated circulation of air through the room and through the air purifier device standing in the room is provided.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- F04D Class
- 1416 Applications Filed
- 1174 Patents Issued To-Date
- 82.91 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- F04D Class
- 27.01 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 2, 2024 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 2, 2028 |
