Building

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8893439
SERIAL NO

13779747

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A building is provided with a shutter, a stairway, and a handrail. The handrail has a connection member and a connection apparatus. The shutter opens and closes in a horizontal direction. A gap through which the shutter can pass is formed in the stairway. The handrail is provided at the stairway, and includes a handrail main body and a movable member. A gap through which the shutter can pass is formed in the handrail main body, and the movable member closes the gap in the handrail main body. The connection member connects one end portion of the movable member with the handrail main body such that the movable body is turnable relative to the handrail main body. The connection apparatus releasably connects another end portion of the movable member with the handle main body.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TAKENAKA CORPORATIONOSAKA-SHI OSAKA 541-0053

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujiwara, Hideki Itasca, US 114 691
Nakagome, Osamu Itasca, US 7 3

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 May 25, 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