Title:
Filter cap
United States Patent D394697


Inventors:
Liang, Li-shiang (Harvard, MA)
Application Number:
29/050144
Publication Date:
05/26/1998
Filing Date:
02/09/1996
Assignee:
United States Filter Corporation (Palm Desert, CA)
Primary Class:
Field of Search:
D23/200, D23/207, D23/209, 210/232, 210/340, 210/341, 210/282, 210/266, 210/459-461
View Patent Images:
US Patent References:
5660726Return filter for fluidsAugust, 1997Dluzik210/493.2
5580456Filter cap affixed to a filter sleeveDecember, 1996Bowlsbey210/493.2
5401399Water purification systemMarch, 1995Magnusson et al.210/136
5277807Seal for separation deviceJanuary, 1994Lavoie et al.210/321
D321745Water filterNovember, 1991MurrellD23/209
D320062End cap for a filter cartridgeSeptember, 1991MeissnerD23/209
D317965End cap for a motor filterJuly, 1991SvenssonD23/209
4944875Plural filter tube sequential distribution apparatusJuly, 1990Gaignet210/232
4626348End cap which will accommodate flow reversalDecember, 1986Stone210/248
4541926Portable water conditioner having separate containers for different conditioning materialsSeptember, 1985Stanley210/87
4537681Cartridge filter end capAugust, 1985Argiropoulos et al.210/440
4451369Fluid separation apparatusMay, 1984Sekino et al.210/321.1
4347136Bacteria static filter assemblyAugust, 1982Friesen et al.210/253
4343707Method and apparatus for separating out solids suspended in flowing, pure water systemsAugust, 1982Lucas210/695
4169058Filter end cap interference fit structureSeptember, 1979Pickett et al.210/440
4160738Water purification device and systemJuly, 1979Guter210/232
3950253Domestic water filtration apparatusApril, 1976Stern210/282
3914176Dual filter assemblyOctober, 1975Holmes210/132
3909402Water purification deviceSeptember, 1975Gartner210/27
3396847Filtering apparatus adjustable for series or parallel filtrationAugust, 1968Englesberg210/85



Foreign References:
WO/1993/000976January, 1993WATER TREATMENT SYSTEM
Primary Examiner:
Douglas, Alan P.
Assistant Examiner:
Taylor, Robin V.
Attorney, Agent or Firm:
Wolf, Greenfield & Sacks, P.C.
Claims:
1. The ornamental design for a filter cap, as shown and described.

Description:

FIG. 1 is a top plan view of a first embodiment of a filter cap design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view thereof, with the opposite side being a mirror image thereof;

FIG. 6 is a top plan view of a second embodiment of a filter cap design;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a top plan view of a third embodiment of a filter cap design;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a rear elevational view thereof;

FIG. 15 is a front elevational view thereof; and,

FIG. 16 is a side elevational view thereof, with the opposite side being a mirror image thereof.