TREA

Safety filter element

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Information

  • Patent Grant
  • D416308
  • Patent Number
    D416,308
  • Date Filed
    Friday, July 24, 1998
    26 years ago
  • Date Issued
    Tuesday, November 9, 1999
    25 years ago
Information
Abstract
Description
Claims
  • The ornamental design for safety filter element, as shown and described.
US Referenced Citations (10)
Number Name Date Kind
D401306 Ward et al. Nov 1998
D404797 Jameson Jan 1999
3469707 Humbert, Jr. et al. Sep 1969
3698562 Farrow et al. Oct 1972
4801383 Haffmann et al. Jan 1989
5082476 Kahlbaugh et al. Jan 1992
5336405 Tang et al. Aug 1994
5443721 Kelada et al. Aug 1995
5613992 Engel Mar 1997
5728298 Hamlin Mar 1998
Non-Patent Literature Citations (1)
Entry
Exhibit A, Photographs of a prior art safety filter element (2 pages, 4 photographs).