Patent
   D263496
Priority
Sep 24 1979
Filed
Sep 24 1979
Issued
Mar 23 1982
Expiry
Mar 23 1996
Assg.orig
Entity
unknown
18
8
n/a
The ornamental design for a filter, as shown and described.

FIG. 1 is a bottom perspective view of a filter showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an elevational view taken from one side thereof, the opposite side being a mirror image of the side shown; and

FIG. 4 is a top plan view thereof.

Kimball, Philip C., Natanson, Julian S.

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7441664, May 23 2003 Helen of Troy Limited Water treatment devices and cartridges therefor
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ER3650,
ER8876,
ER9777,
Patent Priority Assignee Title
1779458,
2951551,
3454129,
4249918, May 21 1979 Monsanto Company Fiber bed element and process for removing aerosols from gases
105294,
117566,
220165,
D248485, Apr 18 1977 WHATMAN PUBLIC LIMITED COMPANY Filter
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 24 1979Whatman Reeve Angel Limited(assignment on the face of the patent)
Jun 23 1983Whatman Reeve Angel LimitedWHATMAN REEVE ANGEL PUBLIC LIMITED COMPANY,CHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE SEPT 22,19810041530155 pdf
Feb 01 1990Whatman Reeve Angel Public Limited CompanyWHATMAN PUBLIC LIMITED COMPANYCHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE DATE: FEB 1, 19900054010640 pdf
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