Patent
   D250415
Priority
Jan 13 1977
Filed
Jan 13 1977
Issued
Nov 28 1978
Expiry
Nov 28 1992
Assg.orig
Entity
unknown
7
7
n/a
The ornamental design for a filter head, as shown.

FIG. 1 is a top plan view of a filter head showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end elevational view thereof;

FIG. 5 is an elevational view taken from the side opposite that shown in FIG. 2; and

FIG. 6 is an elevational view taken from the end opposite that shown in FIG. 4.

Rosaen, Borje O., Fosdick, Dale P.

Patent Priority Assignee Title
7441664, May 23 2003 Helen of Troy Limited Water treatment devices and cartridges therefor
D295438, Jan 30 1986 Nimbus Water Systems, Inc. Water treatment assembly head
D306755, Jan 27 1986 CUNO INCORPORATED, A CT CORP Head for a quick-change filter cartridge
D311239, May 09 1988 Oil filter adaptor for use with an internal combustion engine
D314809, Jan 27 1985 Cuono, Incorporated Head for a quick-change filter cartridge
D315013, Jan 27 1986 Cuno Incorporated Head for a quick-change filter cartridge
D818083, Dec 06 2016 National Trade Supply, LLC Water filter head
Patent Priority Assignee Title
2565690,
2669359,
3283098,
3334754,
4051031, Nov 20 1974 Taisei Kogyo Co., Ltd. Filter apparatus
199075,
199139,
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