Tube shaker

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11073348
APP PUB NO 20200393207A1
SERIAL NO

16600868

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The tube cleaning device has a frame having a plurality of top and bottom vertical slots and a first and second upper slotted bracket, each bracket being located above an upper and lower window. First and second lower brackets are located below the windows forming a ledge. First and second riggings engage the slots and releasably connect the frame to a tube bank. A spreader bar is inserted through a window. A releasable connector secures the spreader bar to the frame. A vibrating motor is releasably secured to the frame. Vibration of the motor is passed through the frame to the spreader bar, which vibrates the tubes to effectuate cleaning.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
HRST INC6557 CITY WEST PKWY EDEN PRAIRIE MN 55344-3248

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bratberg, Scott J Maple Grove, US 1 1
Sogard, Kyle P Minneapolis, US 1 1
Stanley, Lester S Minnetonka, US 1 1

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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 Jan 27, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 27, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 27, 2033
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