Ring for a manhole cover

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Description

FIG. 1 is a perspective view of a ring for a manhole cover showing our new design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof, the rear being a mirror image thereof; and

FIG. 5 is a left side elevational view thereof, the right side being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D247254 February 14, 1978 Brown et al.
3858998 January 1975 Larson et al.
4015373 April 5, 1977 Boissier
4121390 October 24, 1978 Hall et al.
4203686 May 20, 1980 Bowman
Patent History
Patent number: D319883
Type: Grant
Filed: Oct 12, 1988
Date of Patent: Sep 10, 1991
Assignee: Universal Valve Company, Inc. (Elizabeth, NJ)
Inventors: Martin C. Pettesch (Roselle, NJ), Robert O. Andreasen (Bridgewater, NJ)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Eckert Seamans Cherin & Mellott
Application Number: 7/257,029
Classifications
Current U.S. Class: Underground Service Vault (4) (D25/36)