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Block wall |
| D297767 |
Block wall
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| Patent Drawings: | |
| Inventor: |
Forsberg |
| Date Issued: |
September 20, 1988 |
| Application: |
07/047,450 |
| Filed: |
May 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: |
D25/114; D25/116; D25/58 |
| 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; D25/54; D25/115; D25/116 |
| International Class: |
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| U.S Patent Documents: |
2882689; 4016693; 4312606; 4335549; 4496266; 4658541 |
| Foreign Patent Documents: |
1360872; 336; 2127872 |
| Other References: |
Concrete Masonry Pictorial, vol. 33, No. 3, c. 1977, p. 5..
The Besser Company brochure, "Modular Concrete Block", 1984..
The Besser Company brochure, "Paving Stone", Jun., 1984.. |
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| Abstract: |
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| Claim: |
The ornamental design for a block wall, as shown and described. |
| Description: |
FIG. 1 is a perspective view of a block wall according to my new design;
FIG. 2 is an enlarged front perspective view of a portion of the block wall of FIG. 1.
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