Toy building block
Description
FIG. 1 is a front elevational view of a toy building block showing my new design, the rear being plain;
FIG. 2 is a cross sectional view thereof taken on line 2--2 in FIG. 1; and
FIG. 3 is a perspective view thereof.
Referenced Cited
U.S. Patent Documents
D52546 | October 1918 | Schmelzer |
D143275 | December 1945 | Dabrohva |
D155329 | September 1949 | Bindman |
D248881 | August 8, 1978 | Goldfarb et al. |
2078709 | April 1937 | Hecht |
3334798 | August 1967 | Pezely, Jr. et al. |
3410021 | November 1968 | Patterson |
3477167 | November 1969 | Ach |
3819188 | June 1974 | Freedman |
Patent History
Patent number: D274444
Type: Grant
Filed: Jun 26, 1981
Date of Patent: Jun 26, 1984
Inventor: James H. Symons (Washington, DC)
Primary Examiner: Louis S. Zarfas
Application Number: 6/275,954
Type: Grant
Filed: Jun 26, 1981
Date of Patent: Jun 26, 1984
Inventor: James H. Symons (Washington, DC)
Primary Examiner: Louis S. Zarfas
Application Number: 6/275,954
Classifications
Current U.S. Class:
D21/108;
D21/166