Method and apparatus for controlling hazardous materials disposed within a storm water control system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12044000
APP PUB NO 20220251819A1
SERIAL NO

17666136

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method and apparatus for preventing the escape of hazardous materials from fluid flow control systems of the character used by municipalities for carrying runoff storm water away from streets and populated areas.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
FRIEZNER DENISBOISE ID

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friezner, Denis Boise, US 11 87

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
3.5 Year Payment $1600.00 $800.00 $400.00 Jan 23, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 23, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 23, 2036
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