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Wall block |
| D295788 |
Wall block
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| Patent Drawings: | |
| Inventor: |
Forsberg |
| Date Issued: |
May 17, 1988 |
| Application: |
07/013,383 |
| Filed: |
February 11, 1987 |
| Inventors: |
Forsberg; Paul J. (Richfield, MN)
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| Assignee: |
Keystone Retaining Wall Systems, Inc. (Edina, MN) |
| Primary Examiner: |
Word; A. Hugo |
| Assistant Examiner: |
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| Attorney Or Agent: |
Burd, Bartz & Gutenkauf |
| U.S. Class: |
D25/113; D25/116 |
| Field Of Search: |
405/284; 405/285; 405/286; 405/33; 404/41; 404/42; 404/34; 52/608; 52/605; D25/113; D25/114; D25/116; D25/58 |
| International Class: |
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| U.S Patent Documents: |
126547; 228052; 566924; 810748; 1092621; 1222061; 1414444; 1456498; 2235646; 2882689; 2963828; 3036407; 3274742; 3390502; 3430404; 3557505; 3936987; 3995434; 4016693; 4110949; 4207718; 4208850; 4228628; 4229123; 4454699; 4496266; 4524551; 4572699 |
| Foreign Patent Documents: |
392474; 1385207 |
| Other References: |
The Besser Company Bulletin, Feb. 1985..
The Hollow Building Tile Assoc. Handbook, p. 11, Jan. 1924.. |
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| Abstract: |
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| Claim: |
The ornamental design of a wall block, substantially as shown and described. |
| Description: |
FIG. 1 is a perspective view of a wall block showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a side view thereof, the opposite being a mirror image thereof;
FIG. 5 is a front view thereof; and
FIG. 6 is a rear view thereof.
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