Ribbed filter
Description
FIG. 1 is a first side elevational view of the novel ribbed filter;
FIG. 2 is a second side elevational view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom plan view thereof.
Claims
The ornamental design for a ribbed filter, as substantially shown and described.
Referenced Cited
Patent History
Patent number: D458341
Type: Grant
Filed: Apr 6, 2001
Date of Patent: Jun 4, 2002
Inventor: David W. Pratt (Clearwater, FL)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firms: Ronald E. Smith, Smith & Hopen, P.A.
Application Number: 29/139,854
Type: Grant
Filed: Apr 6, 2001
Date of Patent: Jun 4, 2002
Inventor: David W. Pratt (Clearwater, FL)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firms: Ronald E. Smith, Smith & Hopen, P.A.
Application Number: 29/139,854
Classifications
