Patent
   D246386
Priority
Nov 17 1975
Filed
Nov 17 1975
Issued
Nov 15 1977
Expiry
Nov 15 1991
Assg.orig
Entity
unknown
5
2
n/a
The ornamental design for a concrete block, as shown and described.

FIG. 1 is a top perspective view of a concrete block showing my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is an opposite end elevational view thereof;

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Hardin, Edward L.

Patent Priority Assignee Title
D264997, Apr 11 1980 LINDSLEY, WARREN F B Ventilating concrete block
D264998, Apr 11 1980 LINDSLEY, WARREN F B Louvered concrete block
D323699, Feb 21 1989 H K RESEARCH & DEVELOPMENT, INC Magnetic water softener
D796066, Aug 15 2016 Building block
D971757, Dec 19 2019 3M Innovative Properties Company Mounting location marker
Patent Priority Assignee Title
ER7181,
FR54,538,
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