Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.


Search All Patents:



  This Patent May Be For Sale or Lease. Contact Us

  Is This Your Patent? Claim This Patent Now.



Register or Login To Download This Patent As A PDF




United States Patent D401,306
Ward ,   et al. November 17, 1998

Filter element

Claims


The ornamental design for filter element, as shown and described.
Inventors: Ward; Dennis E. (Richfield, MN), Schrage; Kevin J. (Spring Valley, MN), Coulonvaux; Paul R. (Brussels, BE), Dewit; Johan G. (Hamme-Mille, BE), Ivarson; Jeffrey J. (San Rafael, CA)
Assignee: Donaldson Company, Inc. (Minneapolis, MN)
Appl. No.: D/076,524
Filed: September 12, 1997

Current U.S. Class: D23/209
Current International Class: 2301
Field of Search: D23/200,207,208,209 210/484,499,497.1,497.01,493.1,493.2

References Cited

U.S. Patent Documents
3469707 September 1969 Humbert et al.
4801383 January 1989 Hoffman et al.
5443721 August 1995 Kelada
Primary Examiner: Douglas; Alan P.
Assistant Examiner: Taylor; Robin V.
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt, P.A.

Description



FIG. 1 is a top plan view of a first embodiment of a filter element, according to the present invention;

FIG. 2 is a side elevational view of the filter element of FIG. 1; all other side elevational views being identical thereto;

FIG. 3 is a bottom plan view of the filter element of FIG. 1;

FIG. 4 is a top plan view of a second embodiment of a filter element, according to the present invention;

FIG. 5 is a side elevational view of the filter element of FIG. 4; all other side elevational views being identical thereto; and,

FIG. 6 is a bottom plan view of the filter element of FIG. 4.

* * * * *

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.