Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent
2006-12-19
2006-12-19
Lichtenstein, Lisa (Department: 2916)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
C023S30200R
Design Patent
active
D0533935
CLAIM:
The ornamental design for an impeller, as shown and described.
REFERENCES:
patent: 6030173 (2000-02-01), Bacchiocchi
patent: 6092988 (2000-07-01), Botros
patent: 6893220 (2005-05-01), Eaton et al.
patent: 6986643 (2006-01-01), Huang et al.
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