Wall block

Description

FIG. 1 is a front perspective view of a first embodiment of a wall block showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 7 is a sectional view taken along line 7--7 of FIG. 2;

FIG. 8 is a sectional view taken along line 8--8 of FIG. 2;

FIG. 9 is a front perspective view of a second embodiment of the wall block of my new design;

FIG. 10 is a top plan view of FIG. 9;

FIG. 11 is a bottom plan view of FIG. 9;

FIG. 12 is a front elevational view of FIG. 9;

FIG. 13 is a rear elevational view of FIG. 9;

FIG. 14 is a side elevational view of FIG. 9, the opposite side being a mirror image thereof;

FIG. 15 is a sectional view taken along line 15--15 of FIG. 10;

FIG. 16 is a sectional view taken along line 16--16 of FIG. 10;

FIG. 17 is a front perspective view of a third embodiment of the wall block of my new design;

FIG. 18 is a top plan view of FIG. 17;

FIG. 19 is a bottom plan view of FIG. 17;

FIG. 20 is a front elevational view of FIG. 17;

FIG. 21 is a rear elevational view of FIG. 17;

FIG. 22 is a side elevational view of FIG. 17, the opposite side being a mirror image thereof;

FIG. 23 is a sectional view taken along line 23--23 of FIG. 18;

FIG. 24 is a sectional view taken along line 24--24 of FIG. 18;

FIG. 25 is a perspective view of a fourth embodiment of the wall block showing my new design;

FIG. 26 is a top plan view of FIG. 22;

FIG. 27 is a bottom plan view of FIG. 22;

FIG. 28 is a front elevational view of FIG. 22;

FIG. 29 is a rear elevational view of FIG. 22;

FIG. 30 is a side elevational view of FIG. 22, the opposite side being a mirror image thereof;

FIG. 31 is a sectional view taken along line 31--31 of FIG. 26;

FIG. 32 is a sectional view taken along line 32--32 of FIG. 26.

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Other references
  • The Hollow Building Tile Assoc. Handbook, p. 11, Jan. 1924. The Besser Company Bulletin, Feb. 1985. The Besser Company brochure, "Modular Concrete Block", 1984. The Besser Company brochure, "Paving Stone", Jun. 1984. Concrete Masonry Pictorial, vol. 33, No. 3, C 1977, p. 35.
Patent History
Patent number: D311444
Type: Grant
Filed: Nov 8, 1985
Date of Patent: Oct 16, 1990
Inventor: Paul J. Forsberg (Edina, MN)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorney: Richard O. Bartz
Application Number: 6/804,357
Classifications