US Patent No: 7,354,467
Number of patents in Portfolio can not be more than 2000
Filtering assembly in nasal cavities
Stats
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Apr 8, 2008
Issued date -
Feb 21, 2006
filing date -
11/356,987
serial no -
In Force
status
Importance
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Abstract
A filtering assembly in nasal cavities includes a connector with two rings connected by a link, and two filtering members are securely connected to the two rings. The two filtering members are inserted into the wearer's nasal cavities so as to effectively filter foreign objects from entering to the wearer's lungs.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,971,387 Personal air purifier | 8 | 2003 | |
| 6,962,156 Enhanced personal air purifier | 9 | 2004 | |
| 6,971,388 Internal nasal dilator filter | 11 | 2005 | |
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| 7,156,098 Breathing air filtration system | 33 | 2004 | |
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| 5,890,491 Nose filter | 32 | 1997 | |
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| 2006/0016,450 AIR FILTER DEVICE FOR THE NOSE | 13 | 2005 | |
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| 2003/0023,649 Digital filtering method and device and sound image localizing device | 1 | 2002 | |
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| 4,267,831 Nasal air filter and medicament dispenser device | 88 | 1979 | |
| 4,327,719 Nose filter | 52 | 1980 | |
| 5,417,205 Air filter for the nose | 38 | 1994 | |
| 5,425,359 Nose plug structure with filter | 71 | 1994 | |
| 2003/0209,145 Filtration device | 16 | 2002 | |
| 2004/0065,065 Inner nose air filter | 3 | 2002 | |
| 2005/0051,170 Wearable inhalation filter | 21 | 2003 | |
| 2004/0261,798 Nose filter | 28 | 2004 | |
| 7,156,099 Nostril filtering system | 5 | 2004 | |
| 2007/0175,478 Nasal air purifier | 17 | 2007 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 8, 2015 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 8, 2019 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |