3D printer

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United States of America Patent

PATENT NO 11890818
APP PUB NO 20230264429A1
SERIAL NO

18141381

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An apparatus for dispensing build powder and support powder, in a sequence of layers, and having a frame and a container. Also, a build powder pourer is at least partially filled with build powder and a support powder pourer at least partially filled with support powder, each of the pourers having a dispensing opening and a dispensing plug, controllably covering the dispensing opening. Further, a pourer-movement and dispensing plug-actuating assembly is supported by the frame over the container and includes a movement element that is selectively attachable to the build powder pourer and alternately to the support powder pourer and also capable to controllably move an attached pourer in three orthogonal dimensions and to control the dispensing plug. In addition, at least one docking station for holding a first one of the pourers; and a computing assembly controls the pourer-movement and dispensing plug-actuating assembly to create a target shape.

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First Claim

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Patent Owner(s)

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Singov, Sergey Dayton, US 3 5

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Aug 6, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 6, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 6, 2035
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