Filter core

D0881336 ยท 2020-04-14

Assignee

Inventors

Cpc classification

International classification

Abstract

Claims

The ornamental design for a filter core, as shown.

Description

(1) FIG. 1 is a top front perspective view of a filter core showing the claimed design;

(2) FIG. 2 is a bottom rear perspective view thereof; and,

(3) FIG. 3 is a side view thereof.