Title:
Collapsible pyramid structures and blanks therefor
United States Patent 2935238
Inventors:
Eric, Koehler Karl
Publication Date:
05/03/1960
Export Citation:
Click for automatic bibliography generation
Assignee:
Eric, Koehler Karl
Primary Class:
229/116
Other Classes:
40/594, 116/63P, 206/815, 229/104, 229/162.1, 428/542.8, 434/212
International Classes:
B65D5/00; B65D5/36; B65D5/00; B65D5/36
View Patent Images:
Download PDF 2935238        PDF help
US Patent References:
2530950Collapsible cardboard display device
2100888Collapsible paper funnel construction
0720864N/A