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The ornamental design for a vacuum valve for a vacuum circuit breaker, as shown and described. |
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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
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 15 1993 | MIYAZAWA, TAKAYUKI | Kabushiki Kaisha Toshiba | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006583 | /0038 | |
| Mar 15 1993 | FUJIWARA, JUNJI | Kabushiki Kaisha Toshiba | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006583 | /0038 | |
| Mar 15 1993 | SATO, KIMIYA | Kabushiki Kaisha Toshiba | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006583 | /0038 | |
| Mar 15 1993 | TANIGUCHI, MAKOTO | Kabushiki Kaisha Toshiba | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006583 | /0038 | |
| Mar 15 1993 | OGAWA, SATOSHI | Kabushiki Kaisha Toshiba | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006583 | /0038 | |
| Mar 22 1993 | Kabushiki Kaisha Toshiba | (assignment on the face of the patent) | / |
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