Sealing device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8840387
APP PUB NO 20130022697A1
SERIAL NO

13637899

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A plugging device 100 including a main body portion 10 having a depressed portion 10d and a communication path 10e opening into an inner surface 10c of the depressed portion 10d; an elastic plate 20 fixed to the main body portion 10 so as to cover the depressed portion 10d; and a pump 50 connected to the communication path 10e.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • SUMITOMO CHEMICAL COMPANY, LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Komori, Teruo Niihama, JP 59 791
Mori, Masaharu Mitoyo, JP 54 591
Uoe, Kousuke Niihama, JP 25 89

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 23, 2026
Fee Large entity fee small entity fee micro entity fee
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