Material removal from surfaces

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11453034
APP PUB NO 20200298281A1
SERIAL NO

16899285

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Scrapers for removing adhered material from surfaces employ continuous and discontinuous material removal edges to remove different types of material. Continuous and sometimes discontinuous material removal edges are constructed and arranged to conform to the curvature of a surface from which material is to be removed, when a user forces the scraper against the surface. Some scrapers include multiple material removal edges designed to simultaneously contact the surface. The use of multiple points of contact combined with locations of handles provide stable designs that reduce hand and wrist strain.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GREENBERGER HAL PNATICK MA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Greenberger, Hal P Natick, US 30 1278

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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 Mar 27, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 27, 2030
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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