Patent
   D300848
Priority
Jun 30 1986
Filed
Jun 30 1986
Issued
Apr 25 1989
Expiry
Apr 25 2003
Assg.orig
Entity
unknown
11
7
n/a
The ornamental design for an air filter case, as shown and described.

FIG. 1 is a bottom plan view of an air filter case showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof, the rear being identical in appearance; and,

FIG. 6 is a top, front and right side perspective view thereof.

Kudirka, Paul J., Hart, Charles G., Baker, Bradford L.

Patent Priority Assignee Title
D402361, Jul 11 1996 Donaldson Company, Inc. Panel filter construction
D403059, Oct 21 1997 Imbibitive Technologies Corp. Containment basin, which can hold silt-collecting sock, sorbent material disc and locking sealing frame
D403060, Feb 27 1998 Imbibitive Technologies Corp. Linearly extending, multiple region containment basin which can hold silt-collecting filters, absorbent, and lower discs for absorbing organic spills
D403418, Oct 31 1997 Imbibitive Technologies Corp. Filter basin, which can hold silt-collecting sock and sorbent material
D419241, Oct 16 1998 Phytoculture micro flow work station
D810908, Sep 29 2016 Access Business Group International LLC Air treatment system filter
D858731, May 10 2017 LG Electronics Inc Filter for air purifier
D858732, May 10 2017 LG Electronics Inc Humidifying filter for air purifier
D859623, May 10 2017 LG Electronics Inc Humidifying filter for air purifier
D859624, May 10 2017 LG Electronics Inc Humidifying filter for air purifier
D939681, Jan 04 2021 SHANGHAI MESUN COMPANY Frame for air cleaner filter element
Patent Priority Assignee Title
1961144,
3999969, Jul 21 1975 ALLIS-CHALMERS CORPORATION, 1126 S 70TH STR , W ALLIS, WI , A DE CORP ; SnyderGeneral Corporation Air filtering unit
4334899, Apr 09 1981 Snap filter grill and assembly
4600419, Nov 29 1984 FARR COMPANY, 2221 PARK PLACE, EL SEGUNDO, CA 90245, A CORP OF DE High efficiency, down flow air filter sealing and support system
216638,
D245906, Apr 08 1976 Taylor Industries, Inc. Enclosure for electrical components or the like
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 19 1986BAKER, BRADFORD L AMWAY CORPORATION, A MICHIGAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0045740840 pdf
Jun 19 1986HART, CHARLES G AMWAY CORPORATION, A MICHIGAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0045740840 pdf
Jun 23 1986KUDIRKA, PAUL J AMWAY CORPORATION, A MICHIGAN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0045740840 pdf
Jun 30 1986Amway Corporation(assignment on the face of the patent)
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