Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD350731 S
Publication typeGrant
Application numberUS 29/006,166
Publication dateSep 20, 1994
Filing dateMar 22, 1993
Priority dateSep 22, 1992
Publication number006166, 29006166, US D350731 S, US D350731S, US-S-D350731, USD350731 S, USD350731S
InventorsTakayuki Miyazawa, Junji Fujiwara, Kimiya Sato, Makoto Taniguchi, Satoshi Ogawa
Original AssigneeKabushiki Kaisha Toshiba
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Vacuum valve for a vacuum circuit breaker
US D350731 S
Abstract  available in
Previous page
Next page
  1. 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.

Non-Patent Citations
1Asea Brown Boveri Catalog of Vacuum Circuit Breaker Type VD4, Aug. 20, 1992.
U.S. ClassificationD13/173