PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D698321
|
Priority
Mar 23 2012
|
Filed
Sep 20 2012
|
Issued
Jan 28 2014
|
Expiry
Jan 28 2028
|
|
Assg.orig
|
|
Entity
unknown
|
3
|
12
|
n/a
|
|
|
The ornamental design for a vacuum circuit breaker, as shown and described.
|
FIG. 1 is a front, top and left side perspective view of a vacuum circuit breaker, showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line portion of the figures is included to show unclaimed subject matter only and forms no part of the claimed design.
Yoshida, Satoru, Sano, Koji, Arioka, Masahiro, Yano, Tomotaka, Otsuka, Kyoichi, Nakayama, Yuta, Kim, Tachyun
Patent |
Priority |
Assignee |
Title |
4365126, |
Dec 01 1978 |
Hitachi, Ltd. |
Gas circuit breaker |
5321221, |
Nov 20 1991 |
Alstom Holdings |
Self-disconnecting circuit-breaker for medium tension, and use thereof in a medium-tension station or bay |
5373129, |
Mar 12 1992 |
Kabushiki Kaisha Toshiba |
Power circuit breaker and power resistor |
7102101, |
Oct 06 2005 |
PENNSYLVANIA TRANSFORMER TECHNOLOGY, INC |
High voltage circuit breaker with internal tank heater |
8440930, |
Dec 31 2009 |
LS Industrial Systems Co., Ltd. |
Vacuum circuit breaker |
20090045892, |
|
|
|
20100006405, |
|
|
|
20120103941, |
|
|
|
20130100587, |
|
|
|
223671, |
|
|
|
D562776, |
Apr 14 2006 |
Mitsubishi Electric Corporation |
Gas insulated switchgear |
D583332, |
Jul 26 2007 |
ABB Schweiz AG |
Outdoor pole |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a