Patent
   D268360
Priority
Nov 14 1980
Filed
Nov 14 1980
Issued
Mar 22 1983
Expiry
Mar 22 1997
Assg.orig
Entity
unknown
4
3
n/a
The ornamental design for an aquarium heater, as shown and described.

FIG. 1 is a front elevational view of an aquarium heater, showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

The conventional electrical cord has been shown fragmentarily in FIGS. 1-4 for ease of illustration.

Holbrook, Arthur J.

Patent Priority Assignee Title
10136749, Dec 03 2013 Anova Applied Electronics, Inc. Circulator cooker with alarm system
9826855, Dec 03 2013 ANOVA APPLIED ELECTRONICS, INC Circulator cooker with alarm system
RE49267, Feb 14 2013 Anova Applied Electronics, Inc. Circulator cooker with alarm system
RE49740, Feb 14 2013 Anova Applied Electronics, Inc. Circulator cooker with alarm system
Patent Priority Assignee Title
3842241,
4313048, Oct 10 1978 Rolf C. Hagen (USA) Corp. Thermostatically controlled externally mounted electric aquarium heater
214165,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 07 1980HOLBROOK ARTHUR J ROLF C HAGEN USA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0038460568 pdf
Nov 14 1980Rolf C. Hagen (USA) Corp.(assignment on the face of the patent)
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