Patent
   D350729
Priority
Sep 22 1992
Filed
Mar 22 1993
Issued
Sep 20 1994
Expiry
Sep 20 2008
Assg.orig
Entity
unknown
1
11
n/a
The ornamental design for a vaccuum circuit breaker, as shown and described.

FIG. 1 is a front, top and right side perspective view of a vacuum circuit breaker, showing our new design;

FIG. 2 is a rear, top and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a reference view view showing our new design in the state of use. The broken line showing is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.

Fujiwara, Junji, Taniguchi, Makoto, Tsuboi, Hideki, Ogawa, Satoshi, Miyazawa, Takayuki, Sato, Kimiya, Konno, Akihiko

Patent Priority Assignee Title
D370662, May 20 1994 Cooper Technologies Company Power distribution fused disconnect module
Patent Priority Assignee Title
3928716,
4403124, Jan 19 1981 Westinghouse Electric Corp. Vacuum circuit interrupter with insulated vacuum monitor resistor
4839477, Jul 12 1985 Square D Company Controller having interchangeable vacuum or air break contactors and having easily serviced parts
4879441, Aug 04 1988 Cooper Industries, Inc. Dielectric barrier for a vacuum interrupter
4950178, Oct 19 1989 TAIWAN SEMICONDUCTOR MANUFACTURING CO , LTD AC power interconnect for stacked electronic devices
JP576608,
JP576681,
JP583911,
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Mar 11 1993KONNO, AKIHIKOKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065400993 pdf
Mar 11 1993TSUBOI, HIDEKIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065400993 pdf
Mar 15 1993MIYAZAWA, TAKAYUKIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065400993 pdf
Mar 15 1993FUJIWARA, JUNJIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065400993 pdf
Mar 15 1993SATO, KIMIYAKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065400993 pdf
Mar 15 1993TANIGUCHI, MAKOTOKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065400993 pdf
Mar 15 1993OGAWA, SATOSHIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065400993 pdf
Mar 22 1993Kabushiki Kaisha Toshiba(assignment on the face of the patent)
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