Filter unit

Information

  • Patent Grant
  • D891577
  • Patent Number
    D891,577
  • Date Filed
    Tuesday, October 30, 2018
    7 years ago
  • Date Issued
    Tuesday, July 28, 2020
    5 years ago
  • Inventors
    • Zou; Zhibin
  • Original Assignees
  • Examiners
    • Lane; Sheryl
    • Vansant; Calvin E
    Agents
    • Muncy, Geissler, Olds & Lowe, P.C.
  • US Classifications
    Field of Search
    • US
    • D23 202
    • D23 205
    • D23 207
    • D23 259
    • D23 260
    • D23 262
    • CPC
    • B01D2201/29
    • B01D2201/30
    • B01D2201/301
    • B01D2201/302
    • B01D2201/306
    • B01D2201/309
    • B01D35/30
    • C02F1/002
    • C02F1/003
  • International Classifications
    • 2301
    • Term of Grant
      15Years
Abstract
Description


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



FIG. 2 is a front elevational view thereof;



FIG. 3 is a rear elevational view thereof;



FIG. 4 is a right side view thereof;



FIG. 5 is a left side view thereof;



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



FIG. 7 is a bottom plan view thereof.


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


Claims
  • The ornamental design for a filter unit, as shown and described.
US Referenced Citations (9)
Number Name Date Kind
D570951 Morita Jun 2008 S
D668740 Kulikov Oct 2012 S
D716909 Hammarback Nov 2014 S
D764626 Lu Aug 2016 S
D768814 Dong Oct 2016 S
D813357 Bryant Mar 2018 S
9993757 Joung Jun 2018 B2
D856473 Zou Aug 2019 S
D857841 Lu Aug 2019 S