US Patent No: D533901
Number of patents in Portfolio can not be more than 2000
Marker implement
Stats
-
Dec 19, 2006
Issued date -
Apr 4, 2005
filing date -
29/226,989
serial no -
In Force
status
Importance
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Abstract
Not Available
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,915,856 Solid lubricant composition | 38 | 1988 | |
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| 5,118,345 Composition for the preparation of pencil lead | 3 | 1990 | |
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| 6,866,439 Marking instruments and methods of manufacturing marking instruments | 8 | 2003 | |
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| 5,801,215 Baked pencil lead and method for manufacturing the same | 2 | 1995 | |
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| 6,637,962 Ergonomic writing instrument | 16 | 2002 | |
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| 5,318,622 Non-baked color pencil leads and method for preparing same | 11 | 1993 | |
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| 4,268,411 Microcapsules having a wall of inorganic substance and process for the preparation thereof | 18 | 1979 | |
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| 4,209,332 Method for manufacturing pencil leads | 12 | 1978 | |
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| 5,736,273 Battery socket assembly | 3 | 1996 | |
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| 4,588,317 Lead or pen marking device | 4 | 1984 | |
| 4,845,774 Apparatus for anchoring a telephone handset to a telephone housing | 7 | 1988 | |
| 5,470,162 Ergonomic hand-held implement | 32 | 1994 | |
| 5,988,909 Writing instrument with ergonomic grip | 30 | 1997 | |
| 6,648,536 Ergonomic writing instrument | 10 | 2002 | |
Patent Citation Ranking
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 19, 2014 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 19, 2018 |
| 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 |