Cylinder liner for internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10253721
APP PUB NO 20180298842A1
SERIAL NO

15485430

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A cylinder liner for an engine block includes a first engine block bonding surface, and a second engine block bonding surface that provides a lower heat transfer coefficient between the cylinder liner and an adjacent engine block material than the first engine block bonding surface. The second engine block bonding surface extends a substantial portion of the axial length of the cylinder liner.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLC300 RENAISSANCE CENTER MAIL CODE 482-C23-B21 P O BOX 300 DETROIT MI 48265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Cherng-chi Troy, US 6 34
Dharmavarapu, Bhuvaneswara R Rochester Hills, US 1 3
Wang, Qigui Rochester Hills, US 159 404

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 Oct 9, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 9, 2030
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