|
The ornamental design for a main circuit breaker, as shown and described. |
FIG. 1 is a perspective view of a main circuit breaker showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right end elevational view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a left end elevational view thereof.
Harris, Michael R., Sharp, Jeffrey O., Dessert, Edward P.
Patent | Priority | Assignee | Title |
D325725, | Jan 19 1990 | Mitsubishi Denki Kabushiki Kaisha | Circuit protector |
Patent | Priority | Assignee | Title |
2922004, | |||
3098902, | |||
221953, | |||
D246851, | Jul 19 1976 | Eaton Corporation | Multi-pole circuit breaker |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 10 1989 | SHARP, JEFFREY O | Square D Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005124 | /0593 | |
Jul 10 1989 | HARRIS, MICHAEL R | Square D Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005124 | /0593 | |
Jul 19 1989 | Square D Company | (assignment on the face of the patent) | / | |||
Sep 07 1989 | DESSERT, EDWARD P | Square D Company | ASSIGNMENT OF ASSIGNORS INTEREST | 005124 | /0593 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |