Protective housing for a transformer
United States Patent D821312

Beer, Andreas (Grasbrunn, DE)
Lohse, Florian (Munich, DE)
Zeitler, Philip (Munich, DE)
Application Number:
Publication Date:
Filing Date:
Siemens Aktiengesellschaft (Munich, DE)
Primary Class:
International Classes:
(IPC1-7): 1302
Field of Search:
D13/110, D13/101, D13/112, D13/114, D13/123, D13/162, D13/184, D13/199, D14/357, 361/600, 361/601, 361/707, 361/715, 361/730, 363/15, 363/35, 363/141, 363/157, 363/174, 363/175, 363/177
View Patent Images:
US Patent References:
D727262Power converterApril, 2015OmoteD13/110
D638795EnclosureMay, 2011BechtelD13/122
D631839Container for transformer equipmentFebruary, 2011MockenhauptD13/110
D534863Engine-driven generatorJanuary, 2007YasudaD13/112
20020000342Soundproof type engine driven work machineJanuary, 2002Yamada181/204
D437586Enclosure for electronic and electric componentsFebruary, 2001SonntagD13/184
D346359Cogeneration system housingApril, 1994LindenD13/114
5168171Enclosure for circuit modulesDecember, 1992Tracewell307/150
D249788Power generatorOctober, 1978NanjoD13/116

Primary Examiner:
Holland, Derrick
Attorney, Agent or Firm:
Schiff Hardin LLP

1. The ornamental design for a protective housing for a transformer, as shown and described.


FIG. 1 is a front elevational view of a protective housing for a transformer showing our new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view of the right side thereof;

FIG. 6 is a side elevational view of the left side thereof; and,

FIG. 7 is a top, front, and right side perspective view thereof.

High-quality electronic copies of the drawings are available in the Office's electronic record of this application.