Run-flat tire

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11541690
APP PUB NO 20210252913A1
SERIAL NO

17255421

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

At a run-flat tire, given that an average radius of curvature of a case line between an intersection point (0.1SHp) and an intersection point (0.2SHp) when viewed in a cross-section along a tire rotation axis is radius R1, and that an average radius of curvature of the case line between an intersection point (0.4SHp) and an intersection point (0.6SHp) when viewed in the cross-section along the tire rotation axis is radius R2, ratio R2/R1 is set to be greater than 0.3.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
BRIDGESTONE CORPORATION1-1 KYOBASHI 3-CHOME CHUO-KU TOKYO 1048340 ?1048340

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamaguchi, Masashi Tokyo, JP 138 2632
Yumii, Keita Tokyo, JP 12 28

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 Jul 3, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 3, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 3, 2034
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