Air precleaner
Latest American Farm Implement & Specialty, Inc. Patents:
Description
FIG. 1 is a perspective view of an air precleaner showing my new design.
FIG. 2 is a top plan view thereof.
FIG. 3 is a side view thereof; and,
FIG. 4 is a bototm view thereof.
Referenced Cited
U.S. Patent Documents
Other references
2417130 | April 1947 | Russell |
3740932 | June 1973 | Bersheim |
3973937 | August 10, 1976 | Petersen |
4013137 | March 22, 1977 | Petersen |
4135897 | January 23, 1979 | Gondek |
4197102 | April 8, 1980 | Decker |
4547207 | October 15, 1985 | Petersen |
5022903 | June 11, 1991 | Decker |
- Advertising for Best-Ex Centri Air Pre-Cleaners, by Best-Ex, Inc. before 1990. Advertisement, Price List and Specifications for Turbo.RTM. Pre-Cleaners by Sureco, Mar. 1, 1987. Exhibit 1: Photographs and photocopy of air precleaner on the market in the United States more than one year before filing date of the present application.
Patent History
Patent number: D422069
Type: Grant
Filed: Jul 22, 1998
Date of Patent: Mar 28, 2000
Assignee: American Farm Implement & Specialty, Inc. (Janesville, WI)
Inventor: William K. Decker (Cambridge, WI)
Primary Examiner: Lisa Lichtenstein
Law Firm: Foley & Lardner
Application Number: 0/91,054
Type: Grant
Filed: Jul 22, 1998
Date of Patent: Mar 28, 2000
Assignee: American Farm Implement & Specialty, Inc. (Janesville, WI)
Inventor: William K. Decker (Cambridge, WI)
Primary Examiner: Lisa Lichtenstein
Law Firm: Foley & Lardner
Application Number: 0/91,054
Classifications