Internal combustion engine

- The Toro Company
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Description

FIG. 1 is a front perspective of an internal combustion engine showing our new design;

FIG. 2 is a top plan view thereof, the bottom plan view being plain and unornamented;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D305432 January 9, 1990 Hashigaki
D307147 April 10, 1990 Sasaki et al.
D309457 July 24, 1990 Eifert et al.
D309458 July 24, 1990 Johnson et al.
Other references
  • Vanguard leaflet entitled "The Vanguard Engines", Form No. MP9431, no copyright noted but believed to be a 1988 publication. Toro leaflet entitled "OHV 4-Cycle Engines", Form No. 490-4881-C, copyright 1985. Lawn-Boy leaflet entitled "The Most Important Oil Change in Mower History", Form No. 215715, copyright 1989. Honda leaflet entitled "Honda Engines", Form No. C0800, copyright 1988.
Patent History
Patent number: D330897
Type: Grant
Filed: Nov 19, 1990
Date of Patent: Nov 10, 1992
Assignee: The Toro Company (Minneapolis, MN)
Inventors: Robert B. Carlson (Bloomington, MN), Darrell W. Hinklin (Excelsior, MN)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Attorney: Donald S. Trevarthen
Application Number: 7/616,292
Classifications
Current U.S. Class: Engine (D15/1); Vehicle (D15/3)