Article of manufacture with micro-features of differing surface roughness

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9638853
SERIAL NO

14038037

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An article of manufacture includes first and second micro-features of well-defined shape. In some embodiments, the article of manufacture is a light guide or redirecting film and the second micro-features are micro-optical elements configured to disrupt a specular optical path that includes the second micro-optical element. In other embodiments, the article of manufacture is a patterning tool for use in making an optical substrate. Embodiments of the optical substrate are formed by injection molding or embossing using the patterning tool.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
RAMBUS DELAWARE LLCBRECKSVILLE OH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ezell, Robert M Brunswick, US 38 1697
Hide, Fumitomo San Jose, US 41 753
Starkey, Kurt R Strongsville, US 10 255

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 2, 2024
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 2, 2028
Fee Large entity fee small entity fee micro entity fee
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