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United States of America Patent

PATENT NO 11118399
APP PUB NO 20190309573A1
SERIAL NO

16379500

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A frame releasably fixable to a ladder for attaching a mast to the ladder, the frame comprising two sub-frames, each sub-frame comprising two legs, each leg including a stud receiving notch and a support bar at one end thereof, the stud receiving notch for limiting rotation of the sub-frame relative to the ladder, with the frame in place on a ladder and the stud receiving notch engaged with a stud provided on the side of the ladder, the support bar for resting on a surface of the ladder, in use, the two sub-frames releasably attachable to one another at the other end thereof to form a socket for receiving the structural mast.

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First Claim

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Family

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Patent Owner(s)

  • BRIGHT STRUCTURES LIMITED

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bright, Stephen Exeter, GB 4 5

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 14, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 14, 2033
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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