Patent
   D317004
Priority
Jul 19 1989
Filed
Jul 19 1989
Issued
May 21 1991
Expiry
May 21 2005
Assg.orig
Entity
unknown
1
4
n/a
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 onAssignorAssigneeConveyanceFrameReelDoc
Jul 10 1989SHARP, JEFFREY O Square D CompanyASSIGNMENT OF ASSIGNORS INTEREST 0051240593 pdf
Jul 10 1989HARRIS, MICHAEL RSquare D CompanyASSIGNMENT OF ASSIGNORS INTEREST 0051240593 pdf
Jul 19 1989Square D Company(assignment on the face of the patent)
Sep 07 1989DESSERT, EDWARD P Square D CompanyASSIGNMENT OF ASSIGNORS INTEREST 0051240593 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule