Patent
   D350731
Priority
Sep 22 1992
Filed
Mar 22 1993
Issued
Sep 20 1994
Expiry
Sep 20 2008
Assg.orig
Entity
unknown
2
6
n/a
The ornamental design for a vacuum valve for a vacuum circuit breaker, as shown and described.

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is a cross-sectional view taken along line 8--8 in FIG. 2 with its internal mechanisms omitted.

Fujiwara, Junji, Taniguchi, Makoto, Ogawa, Satoshi, Miyazawa, Takayuki, Sato, Kimiya

Patent Priority Assignee Title
D566046, Oct 26 2005 Tektronix, Inc.; Tektronix, Inc Receptacle for accessory-host interface
D566047, Oct 26 2005 Tektronix, Inc.; Tektronix, Inc Plug for accessory-host interface
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
JP839988,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 15 1993MIYAZAWA, TAKAYUKIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065830038 pdf
Mar 15 1993FUJIWARA, JUNJIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065830038 pdf
Mar 15 1993SATO, KIMIYAKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065830038 pdf
Mar 15 1993TANIGUCHI, MAKOTOKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065830038 pdf
Mar 15 1993OGAWA, SATOSHIKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065830038 pdf
Mar 22 1993Kabushiki Kaisha Toshiba(assignment on the face of the patent)
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