Corrugated valve guard

- Hoover Group, Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a corrugated valve guard showing our new design, and illustrating the valve guard applied to a bottom discharge tank which is shown in broken lines;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is an end elevational view thereof, the opposite end being a mirror image of the end shown; and

FIG. 6 is a cross-sectional view thereof, taken along line 6--6 of FIG. 4.

The broken line representation of a tank in FIG. 1 is for purpose of illustration and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D105960 September 1937 Lieberman
D204822 May 1966 Barker
D239159 March 1881 Gaussen
D270092 August 9, 1983 Lacasse
D273510 April 17, 1984 Mayor
D286433 October 28, 1986 Greco
D290285 June 9, 1987 Goode et al.
D298450 November 8, 1988 Thomas et al.
2945294 July 1960 Courtot et al.
3006360 October 1961 Oxenham
3964508 June 22, 1976 Miller
4398653 August 16, 1983 Daloisio
4648521 March 10, 1987 Thomas et al.
4673087 June 16, 1987 Webb
Other references
  • Sweet's Catalog, Corrugated Sheeting, p. 5.23a, 1981. Reynold's Metals Company, Roof & Siding Products, p. 7.4/Rey, (2&5), 1981.
Patent History
Patent number: D319286
Type: Grant
Filed: Aug 15, 1988
Date of Patent: Aug 20, 1991
Assignee: Hoover Group, Inc. (Roswell, GA)
Inventors: David L. Waltke (Beatrice, NE), Duane R. Greenquist (Beatrice, NE)
Primary Examiner: James R. Largen
Law Firm: Harness, Dickey & Pierce
Application Number: 7/232,376