Patent
   D273783
Priority
Apr 20 1981
Filed
Apr 20 1981
Issued
May 08 1984
Expiry
May 08 1998
Assg.orig
Entity
unknown
5
6
n/a
The ornamental design for an explosion-proof housing for electrical circuit components, as shown and described.

FIG. 1 is a pictorial view of an explosion-proof housing for electrical circuit components embodying our new design, as seen from the lower right front;

FIG. 2 is a pictorial view thereof as seen from the upper right rear;

FIG. 3 is a bottom view thereof, at a reduced scale;

FIG. 4 is a top plan view thereof, at a reduced scale;

FIG. 5 is a front edge elevational view thereof, at a reduced scale;

FIG. 6 is a rear edge elevational view thereof, at a reduced scale; and

FIG. 7 is an end elevational view thereof, at a reduced scale.

Holce, Thomas J., Huckins, Charles M.

Patent Priority Assignee Title
4847719, Feb 09 1988 Apparatus and method for protecting the contacts of an electrical switch from current surges
D346750, Sep 30 1992 AT&T Bell Laboratories; American Telephone and Telegraph Company Reference power module for measuring light energy entering an optical fiber splice
D443857, Nov 30 2000 Voltage converter case
D559796, Apr 21 2006 ANTON BAUER, INC Electronic device mounting plate
D682791, Sep 29 2008 ORBIT INDUSTRIES, INC Universal junction box
Patent Priority Assignee Title
1909136,
3693089,
3895179,
4063110, Jan 12 1976 Security device
4213018, Jun 06 1978 COOPER INDUSTRIES, INC, A CORP OF OHIO Explosion-proof contact assembly and method of forming the same
4328903, Feb 29 1980 Weatherproof junction box
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 20 1981Sentrol, Inc.(assignment on the face of the patent)
Dec 11 1981HOLCE, THOMAS J SENTROL, INC , A CORP OF ORASSIGNMENT OF ASSIGNORS INTEREST 0039380997 pdf
Dec 11 1981HUCKINS, CHARLES M SENTROL, INC , A CORP OF ORASSIGNMENT OF ASSIGNORS INTEREST 0039380997 pdf
Sep 26 1997SENTROL, INC SLC TECHNOLOGIES, INC , A DELAWARE CORPORATIONMERGER SEE DOCUMENT FOR DETAILS 0097190483 pdf
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