Manhole cover pick hole plug

Description

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

FIG. 2 is a front elevation view thereof, the opposite back being a mirror image thereof;

FIG. 3 is a right side elevation view thereof, the opposite left side being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view of a second embodiment of the manhole cover pick hole plug shown in FIG. 1;

FIG. 7 is a front elevation view thereof, the opposite back being a mirror image thereof;

FIG. 8 is a right side elevation view thereof, the opposite left side being a mirror image thereof;

FIG. 9 is a bottom plan view thereof, the opposed top being identical to FIG. 4;

FIG. 10 is a perspective view of a third embodiment of the manhole cover pick hole plug shown in FIG. 1;

FIG. 11 is a front elevation view thereof, the opposite back being a mirror image thereof;

FIG. 12 is a right side elevation view thereof, the opposite left side being a mirror image thereof; and,

FIG. 13 is a bottom plan view thereof, the opposed top being identical to FIG. 4.

Referenced Cited
U.S. Patent Documents
D219647 January 1971 Handley et al.
4828274 May 9, 1989 Stannard
5324135 June 28, 1994 Smith
Patent History
Patent number: D376654
Type: Grant
Filed: Feb 8, 1995
Date of Patent: Dec 17, 1996
Assignee: Olympic Foundry Inc. (Seattle, WA)
Inventor: Scott D. McLaughlin (Mead, WA)
Primary Examiner: Doris Clark
Law Firm: Wells, St. John, Roberts, Gregory & Matkin P.S.
Application Number: 0/34,862
Classifications