Building block
Description
FIG. 1 is a front prospective view of the building block;
FIG. 2 is a left side elevational view thereof; and
FIG. 3 is a top plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 1378735 | May 1921 | Talbot |
| 1886404 | November 1932 | Kipple |
| 2047882 | July 1936 | McPherson |
| 2205419 | June 1940 | Kraemer |
| 2749739 | June 1956 | Zagray |
| 573944 | March 1958 | ITX |
Patent History
Patent number: D281627
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: 6/463,476
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: 6/463,476
Classifications
Current U.S. Class:
D25/88;
D25/80;
D25/91
