Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
1999-06-15
2001-03-27
Lichtenstein, Lisa (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
CD23S364000, CD23S328000
Design Patent
active
D0439645
CLAIM:
The ornamental design for an air purifying unit and/or air humidifying unit, as shown and described.
REFERENCES:
patent: D. 349566 (1994-08-01), O'Grady
patent: D. 374070 (1996-09-01), Tomasiak et al.
patent: D. 402744 (1998-12-01), Zuege
patent: 5332425 (1994-07-01), Huang
Hürlimann Mart
Wirz Peter
Zemp Werner
Lichtenstein Lisa
Notaro & Michalos P.C.
Plaston AG Kunststoffwerk Hans Frei & Soyne
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