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United States of America

PATENT NO 12006192
SERIAL NO

17241031

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Importance

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Abstract

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A power assisted counterweight-balanced rigging device for raising and lowering a load including a sealed arbor, a sprocket driven by a driven gear and laterally adjacent first and second idler gears.

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Patent Owner(s)

Patent OwnerAddress
PROTECH THEATRICAL SERVICES INC3431 NORTH BRUCE STREET NORTH LAS VEGAS NV 89030

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boswell, Matthew B North Las Vegas, US 2 0
Brants, Will H Las Vegas, US 3 0

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Dec 11, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 11, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 11, 2035
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