Heater apparatus for use in a liquid environment
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United States of America Patent
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-
Aug 22, 1995
Grant Date -
N/A
app pub date -
Jun 2, 1992
filing date -
Jun 2, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved heater and control apparatus (10) suitable for maintaining a proper temperature in a liquid environment such as an aquarium (12) is provided. The apparatus (10) includes a heater element (26) housed within a protective casing (28) to reduce the likelihood of heater element (26) breakage. A number of openings (30) are provided in casing (28) to permit direct contact between the heater element (26) and water in the aquarium (12). The control assembly (16) includes a novel active light display (99). Additional novel features and corresponding advantages of the apparatus (10) are disclosed.
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