Extension ladder weight distribution stand

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12065881
SERIAL NO

18445903

Stats

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Importance

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Abstract

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A mechanical extension ladder support stand that a worker can mount on an extension ladder. Perform work or repairs on interior walls or stairways safely. The device is installed and removed from the ladder, disassembled or repaired without need of tools, safely. The ladder stand is expandable to fit extension ladders of different widths and lengths, without use of tools. When set up to work on a wall, the ladder stand's support board will automatically pivots to match the angle at top of ladder to the wall's surface, without any tools or adjustment. The ladder stand will always rest a padded support board, safety on two or more of the walls vertically framing members. Without damaging or marring the walls. The ladder stand operates safely for the layman on the interior walls without need of any tools, only human hands.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
BARRETT CALVIN COOLRIDGEHEDGESVILLE WV

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barrett, Calvin Coolridge Hedgesville, US 2 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 Feb 20, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 20, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 20, 2036
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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