US Patent No: D556325
Number of patents in Portfolio can not be more than 2000
Contoured nasal air purifier
Stats
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Nov 27, 2007
Issued date -
Mar 7, 2005
filing date -
29/224,838
serial no -
In Force
status
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Abstract
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First Claim
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International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| D335921 Nose filter | 3 | 1991 | |
| 5,425,359 Nose plug structure with filter | 71 | 1994 | |
| 6,216,694 Stuff-in type nose plug with air filters | 15 | 1998 | |
| D451193 Nasal filter | 19 | 2001 | |
| 2004/0065,065 Inner nose air filter | 3 | 2002 | |
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 | May 27, 2015 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 27, 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 |