Manhole cover

- Universal Valve Co., Inc.
Description

FIG. 1 is a perspective view of a manhole cover showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevation being a mirror image thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a side elevational view thereof, the other side elevation being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
17341 September 1890 McColley
D27673 September 1897 Greger
284203 September 1883 Herr
3920347 November 1975 Sauriol et al.
4523407 June 18, 1985 Miller
Foreign Patent Documents
92290 July 1896 DE2
Patent History
Patent number: D306482
Type: Grant
Filed: May 11, 1987
Date of Patent: Mar 6, 1990
Assignee: Universal Valve Co., Inc. (Elizabeth, NJ)
Inventor: Joseph V. Milo (Rockaway, NJ)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Steele, Gould & Fried
Application Number: 7/47,452
Classifications