US Patent No: 6,679,696
Number of patents in Portfolio can not be more than 2000
Apparatus for substantially simultaneously forming multiple articles having different properties
Stats
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Jan 20, 2004
Issued date -
Apr 16, 1999
filing date -
09/293,262
serial no -
In Force
status
Importance
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Abstract
An apparatus is provided that includes a mold that includes a first cavity defining a toothbrush body, a first injection unit in fluid communication with the first cavity and a second cavity, and a second injection unit also in fluid communication with the first cavity. An apparatus is also provided that includes a mold that includes a first cavity defining a toothbrush body, a second cavity defining a toothbrush body, where the first cavity and the second cavity define substantially identical toothbrush bodies, a first injection unit in fluid communication with the first cavity and a second injection unit incapable of being in fluid communication with the second cavity.
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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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| 5,104,196 Brush filling machine and method of operating same | 9 | 1990 | |
| 5,143,424 Brush making machine | 14 | 1991 | |
| 5,256,048 Tool for the multicomponent injection molding of brush bodies | 38 | 1992 | |
| 5,609,890 Molding machine for injection molding of tooth brushes | 37 | 1995 | |
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| 5,040,963 Apparatus for coinjection molding of preforms for multi-layer containers | 29 | 1990 | |
| 5,971,735 Coinjection molding or multi-layer articles | 3 | 1997 | |
| 6,129,536 Coinjection molding of multi-layered articles | 3 | 1999 | |
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| 4,444,711 Method of operating a two-shot injection-molding machine | 51 | 1981 | |
| 4,775,308 Nozzle for coinjection of hollow articles and preforms | 29 | 1987 | |
| 6,152,721 Shooting pot actuator for an injection molding machine | 9 | 1998 | |
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| 5,588,714 Method for manufacturing brushes | 5 | 1995 | |
| 5,769,506 Method and device for manufacturing brush bodies | 6 | 1996 | |
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| 5,350,219 Toothbrush without metal gasket | 10 | 1993 | |
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| 4,535,014 Method of molding a multi-colored article | 29 | 1981 | |
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| 4,885,121 Method of making a dual durometer self-locking and sealing plug | 49 | 1988 | |
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| 5,863,102 Method and apparatus to permit attachment of bristles to toothbrushes with resiliently flexible heads and to thereafter permit the trimming and end rounding of such bristles | 17 | 1997 | |
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| 5,761,759 Toothbrush and method for making such toothbrush | 78 | 1995 | |
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| 4,756,579 Brush filling method and filled brushes | 3 | 1986 | |
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| 5,458,400 Method of manufacturing of brushes, in particular, tooth brushes | 16 | 1994 | |
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| 5,318,352 Method of making a toothbrush | 9 | 1992 | |
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| 4,423,145 Enhanced growth medium and method for culturing human mammary epithelial cells | 43 | 1981 | |
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| 4,310,377 Machine for the manufacture of brushes | 13 | 1980 | |
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| 5,536,458 Method of molding two-color polyurethane parts by rim | 9 | 1994 | |
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| 5,765,927 Method of fusing nylon filament to nylon block | 6 | 1997 | |
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| 4,954,305 Process and apparatus for producing plastic bristle articles | 13 | 1988 | |
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| 5,474,366 Method of assembling a brush having bristles | 15 | 1994 | |
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| 5,352,025 Method for manufacturing a hairbrush and the product thereof | 13 | 1993 | |
| 5,626,400 Toothbrushes | 4 | 1993 | |
| 6,051,176 Method for manufacturing brush bodies for tooth brushes | 17 | 1997 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 20, 2015 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| 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 |