Title:
Filter unit
United States Patent D831788


Inventors:
Zou, Zhibin (Qingdao, CN)
Application Number:
29/618852
Publication Date:
10/23/2018
Filing Date:
09/25/2017
Assignee:
QINGDAO ECOPURE FILTER CO., LTD. (Qingdao, CN)
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
D23/207, D23/209, D23/365
View Patent Images:
US Patent References:
D794749Water filterAugust, 2017ZouD23/209
D794750Water filterAugust, 2017ZouD23/209
D792943Filter unitJuly, 2017ZouD23/209
D788880Filter unitJune, 2017ZouD23/209
D773608Manifold engagement portion of a filter cartridgeDecember, 2016NelsonD23/209
D770011Manifold engagement portion of a filter cartridgeOctober, 2016NelsonD23/209
D764021Fitting section of a water filterAugust, 2016LuD23/209
D761934Filter cartridgeJuly, 2016BranscombD23/209
D750739Set of mounting lugs for a water filterMarch, 2016BairdD23/209
9067154Replacement filter cartridgeJune, 2015Branscomb
8246883Filter cartridge and method of construction thereofAugust, 2012Bassett210/312
D599880Filter cartridgeSeptember, 2009RampenD23/209
D547821Reverse osmosis cartridge endJuly, 2007KennedyD23/207
D472299Filter cartridge connectorMarch, 2003FritzeD23/209



Primary Examiner:
Webster, Robin V.
Attorney, Agent or Firm:
Muncy, Geissler, Olds & Lowe, P.C.
Claims:
CLAIM

1. The ornamental design for a filter unit, as shown and described.

Description:

FIG. 1 is a Front elevational view of a filter unit showing my new design;

FIG. 2 is a Rear elevational view thereof;

FIG. 3 is a Left side view thereof;

FIG. 4 is a Right side view thereof;

FIG. 5 is a Top plan view thereof;

FIG. 6 is a Bottom plan view thereof; and,

FIG. 7 is a Perspective views thereof.

The broken lines in the drawing depict portions of the filter unit that form no part of the claimed design.