US Patent No: 8,176,596
Number of patents in Portfolio can not be more than 2000
Vacuum cleaner
Stats
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May 15, 2012
Issued date -
Dec 11, 2007
filing date -
11/954,137
serial no -
In Force
status
Importance
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Abstract
Several alternate improvements of a vacuum cleaner are provided. In one aspect, the vacuum cleaner utilizes interchangeable components. In another aspect, the vacuum cleaner comprises a chamber having a top, and a first cleaning stage and suction motor are provided on the top. In another aspect, the vacuum cleaner utilizes a reconfigurable divider plate.
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First Claim
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 2005/0198,770 Vacuum cleaner | 9 | 2004 | |
| 7,857,878 Dust collection unit for vacuum cleaner | 1 | 2005 | |
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| 6,481,049 Self-evacuating vacuum cleaner | 2 | 2000 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 15, 2015 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 15, 2019 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 15, 2023 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |