Aerator float

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Description

FIG. 1 is a perspective view of an aerator float showing my new design;

FIG. 2 is a side view of both sides thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear view thereof.

Referenced Cited
U.S. Patent Documents
D228312 September 1973 Harmon
955879 April 1964 Hollyoak
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2453155 November 1948 Nelson et al.
2876726 March 1959 Robishaw
3349415 October 1967 Scholle
3400918 September 1968 MacLaren
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3650513 March 1972 Werner
3755142 August 1973 Whipple, Jr.
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4806251 February 21, 1989 Durda
4844816 July 4, 1989 Fuchs et al.
4844843 July 4, 1989 Rajendren
4926781 May 22, 1990 Bauer
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5110510 May 5, 1992 Norcross
5116501 May 26, 1992 House
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5349918 September 27, 1994 Elie
Other references
  • Redmon, David T. and Winslow, Francis B., "Measuring the impact of a 3-hp. blower assist on the aeration efficiency of a 50-hp. aspiring aerator", Tappi Journal, Jan. 1992, pp. 105-110.
Patent History
Patent number: D401547
Type: Grant
Filed: Aug 1, 1997
Date of Patent: Nov 24, 1998
Assignee: Aeration Industries International, Inc. (Chaska, MN)
Inventor: Rudolf R. Karliner (Minnetonka, MN)
Primary Examiner: Kay H. Chin
Law Firm: Crompton, Seager & Tufte, LLC
Application Number: 0/74,780
Classifications
Current U.S. Class: Raft, Float, Or Platform (D12/316); D21/237
International Classification: 1206;