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Wall block |
| D296007 |
Wall block
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| Patent Drawings: | |
| Inventor: |
Forsberg |
| Date Issued: |
May 31, 1988 |
| Application: |
06/867,372 |
| Filed: |
May 27, 1986 |
| 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; D25/58; D25/116 |
| International Class: |
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| U.S Patent Documents: |
126547; 228052; D237704; 566924; 810748; 1092621; 1414444; 1456498; 2235646; 2963828; 3036407; 3274742; 3390502; 3430404; 3557505; 3936987; 3995434; 4016693; 4110948; 4207718; 4208850; 4228628; 4229123; 4335549; 4454699; 4524551; 4572699 |
| Foreign Patent Documents: |
392474; 1385207 |
| Other References: |
The Hollow Building Tile Assoc. Handbook, p. 11, Jan., 1924..
The Besser Company brochure, "Modular Concrete Block", 1984..
The Besser Company brochure, "Paving Stone", Jun., 1984..
The Besser Company Bulletin, Feb., 1985.. |
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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 first embodiment of the wall block of my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a sectional view taken along the line 6--6 of FIG. 2;
FIG. 7 is a sectional view taken along the line 7--7 of FIG. 3;
FIG. 8 is a perspective view of a second embodiment of the wall block of my new design;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a bottom view of FIG. 8;
FIG. 11 is a front view of FIG. 8;
FIG. 12 is a rear view of FIG. 8;
FIG. 13 is a sectional view taken along the line 13--13 of FIG. 9;
FIG. 14 is a sectional view taken along the line 14--14 of FIG. 10;
FIG. 15 is a third embodiment of the wall block of my new design;
FIG. 16 is a top view of FIG. 15;
FIG. 17 is a bottom view of FIG. 15;
FIG. 18 is a front view of FIG. 15;
FIG. 19 is a rear view of FIG. 15;
FIG. 20 is a sectional view taken along the line 20--20 of FIG. 16;
FIG. 21 is a sectional view taken along the line 21--21 of FIG. 17;
FIG. 22 is a fourth embodiment of the wall block of my new design;
FIG. 23 is a top view of FIG. 22;
FIG. 24 is a bottom view of FIG. 22;
FIG. 25 is a front elevational view of FIG. 23;
FIG. 26 is a rear view of FIG. 22;
FIG. 27 is a sectional view taken along the line 27--27 of FIG. 23;
FIG. 28 is a sectional view taken along the line 28--28 of FIG. 24;
FIG. 29 is a fifth embodiment of the wall block of my new design;
FIG. 30 is a top view of FIG. 29;
FIG. 31 is a bottom view of FIG. 29;
FIG. 32 is a front view of FIG. 29;
FIG. 33 is a rear view of FIG. 29;
FIG. 34 is a sectional view taken along the line 34--34 of FIG. 30;
FIG. 35 is a sectional view taken along the line 35--35 of FIG. 31;
FIG. 36 is a sixth embodiment of the wall block of my new design;
FIG. 37 is a top view of FIG. 36;
FIG. 38 is a bottom view of FIG. 36;
FIG. 39 is a front view of FIG. 36;
FIG. 40 is a rear view of FIG. 36;
FIG. 41 is a sectional view taken along the line 41--41 of FIG. 37; and
FIG. 42 is a sectional view taken along the line 42--42 of FIG. 38.
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