Hollow building block or the like

- Dart Industries Inc.
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Description

FIG. 1 is a top perspective view of the block of the new design;

FIG. 2 is a top perspective view of the block shown in FIG. 1 rotated 180.degree. to the right;

FIG. 3 is a perspective view showing the opened block and,

FIG. 4 is the view shown in FIG. 3 except the block is only partially opened.

The characteristic feature of my design resides in the flat ribs the edges of which terminate near and are parallel to the edge of the block face in combination with the recessed flat faces as shown.

Referenced Cited
U.S. Patent Documents
1574257 February 1926 Redner
2132757 October 1938 Paulson
Other references
  • Gerber Toy Line Cat., rec'd. Mar. 14, 1968, p. 3, item No. 803, Giant Alphabet Blocks. Industrial Packaging, Aug. 14, 1961, p. 143, upper left, item J, slanted side.
Patent History
Patent number: D246129
Type: Grant
Filed: Jan 27, 1975
Date of Patent: Oct 18, 1977
Assignee: Dart Industries Inc. (Los Angeles, CA)
Inventor: Rueben B. Klamer (Los Angeles, CA)
Primary Examiner: Melvin B. Feifer
Attorney: Kenneth J. Hovet
Application Number: 5/544,083
Classifications
Current U.S. Class: D34/15FF
International Classification: D2101;