Gas-insulated switchgear

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9425589
APP PUB NO 20150236485A1
SERIAL NO

14421513

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A circuit breaker (33) formed with a sealed tank (4) having a breaker section and an operating mechanism (2) is laterally arranged in a lengthwise direction and is fixed to a frame (1), and above the circuit breaker, main bus containers (11, 12) are provided, substantially orthogonally to an axial direction of the circuit breaker (33). Operating mechanism-side working space (B) and breaker section-side working space (C) are provided respectively above the operating mechanism (2) and the sealed tank (4), and a hand hole (5) is provided on an upper surface of the sealed tank (4). A connecting pin (24) is provided in a link mechanism connecting the operating mechanism (2) and the movable contact (7), and an operating mechanism-side working hole for accessibility to the connecting pin (24) from the operating mechanism-side working space (B) is provided.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HITACHI ENERGY LTD8050 ZÜRICH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ebisawa, Daisuke Tokyo, JP 9 13
Hashimoto, Hiroaki Tokyo, JP 64 339
Hirose, Makoto Tokyo, JP 32 120
Okubo, Kenichi Tokyo, JP 25 123

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 Feb 23, 2028
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