Building block
FIG. 1 is a front perspective view of one embodiment of the building block;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front perspective view of another embodiment of the building block;
FIG. 5 is a rear perspective view of the building block of FIG. 4;
FIG. 6 is a left side elevational view of the building block of FIG. 4;
FIG. 7 is a top plan view of the building block of FIG. 4;
FIG. 8 is a front perspective view of another embodiment of the building block;
FIG. 9 is a left side elevational view of the building block of FIG. 8;
FIG. 10 is a top plan view of the building block of FIG. 8;
FIG. 11 is a front perspctive view of another embodiment of the building block;
FIG. 12 is a left side elevational view of the building block of FIG. 11; and
FIG. 13 is a top plan view of the building block of FIG. 11.
| 1378735 | May 1921 | Talbot |
| 1886404 | November 1932 | Kipple |
| 2047882 | July 1936 | McPherson |
| 2205419 | June 1940 | Kraemer |
| 2749739 | June 1956 | Zagray |
| 573944 | March 1958 | ITX |
Type: Grant
Filed: Feb 3, 1983
Date of Patent: Dec 3, 1985
Inventor: Jose C. dos Santos (Lisboa)
Primary Examiner: A. Hugo Word
Law Firm: Birch, Stewart, Kolasch & Birch
Application Number: 6/463,477
