Manhole cover pick hole plug
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.
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