Livestock water trough heater
United States Patent D826485

Maher, Michael D. (Darwin, MN, US)
Sapala, Shaun A. (Cologne, MN, US)
Application Number:
Publication Date:
Filing Date:
Miller Manufacturing Company (Eagan, MN, US)
Primary Class:
Other Classes:
D30/131, D23/316
International Classes:
(IPC1-7): 3099
Field of Search:
D30/199, D30/131, D30/121, D30/132, D30/158, D30/106, D23/316, 119/73, 119/78-81, 119/74, 119/72, 119/269, 119/409, 119/52.1, 119/61.1, 392/499, 392/497, 392/498, 392/447, 392/448, 392/451, 392/471, 392/487, 392/500-503, 219/523, 219/510, 219/532, 219/536, 219/517, 219/542, 219/472, 219/553, 219/552, 219/385, 219/386, 219/415, 219/429, 219/436, 219/437, 219/438, 219/533, 219/548, 219/551, 219/642, 219/646, 219/200, 219/201, 219/213, 219/600, 219/606, 219/602, 219/628, 219/635, 219/639, 219/640, 219/647, 219/649, 219/650, 219/651, 126/40, 126/247, 126/85R, 126/374.1, 236/1R, 441/1, D8/70, D32/25, D12/122, D12/124, D15/138, D15/148, D15/126, D21/488, D21/493, D21/561, D19/59
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US Patent References:
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Foreign References:
DE19645970May, 1998Kapazitiver Füllstandsensor zum Erfassen des Füllstandes eines innerhalb eines Behälters befindlichen Fluids
WO/2006/026624March, 2006LIQUID LEVEL SENSOR
Primary Examiner:
Lee, Susan Moon
Attorney, Agent or Firm:
Briggs and Morgan, P.A.
Boylan, Kristine M.
Helget, Gerald E.

1. The ornamental design for a livestock water trough heater, as shown and described.


FIG. 1 is a perspective view showing my new design for a livestock water trough heater;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is an environmental perspective view of the livestock water trough heater, shown in use.

The broken lines in the drawings depict exemplary environment and component elements that might be used in conjunction with the livestock water trough heater that are shown for purposes of illustration, and form no part of the design claim.