Patent
   D326514
Priority
Feb 27 1990
Filed
Feb 27 1990
Issued
May 26 1992
Expiry
May 26 2006
Assg.orig
Entity
unknown
35
5
n/a
The ornamental design for an electronic air cleaner, as shown and described.

FIG. 1 is a top, front, and right side perspective view of an electronic air cleaner, showing our new design;

FIG. 2 is a front elevation view thereof, the rear being a mirror image of that shown;

FIG. 3 is a right side elevation view thereof, the opposite side being a mirror image of that shown;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom plan view thereof.

The honeycomb pattern is understood to extend throughout the entire front panel in FIGS. 1 and 2, and is shown partially for ease of illustration.

Ramakrishnan, Rengaswamy, Saunders, William J., Albrecht, Eric H., Alsup, Jr., James D.

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Patent Priority Assignee Title
3956458, Nov 16 1973 Method and apparatus for air purification
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JP1168315,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 07 1989ALSUP, JAMES D JR FRIEDRICH AIR CONDITIONING & REFRIGERATION CO , A DIVISION OF U S NATURAL RESOURCES, INC , A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0052480424 pdf
Dec 07 1989SAUNDERS, WILLIAM J FRIEDRICH AIR CONDITIONING & REFRIGERATION CO , A DIVISION OF U S NATURAL RESOURCES, INC , A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0052480424 pdf
Dec 07 1989ALBRECHT, ERIC H FRIEDRICH AIR CONDITIONING & REFRIGERATION CO , A DIVISION OF U S NATURAL RESOURCES, INC , A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0052480424 pdf
Dec 07 1989RAMAKRISHNAN, RENGASWAMYFRIEDRICH AIR CONDITIONING & REFRIGERATION CO , A DIVISION OF U S NATURAL RESOURCES, INC , A CORP OF DEASSIGNMENT OF ASSIGNORS INTEREST 0052480424 pdf
Feb 27 1990U.S. Natural Resources, Inc.(assignment on the face of the patent)
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