Title:
Collapsible pyramid structures and blanks therefor
United States Patent 2935238
US Patent References:
/0720864.html
- - 0720864
Collapsible paper funnel construction
- - 2100888
Collapsible cardboard display device
- - 2530950
/0720864.html
- - 0720864
Collapsible paper funnel construction
- - 2100888
Collapsible cardboard display device
- - 2530950
Inventors:
Eric, Koehler Karl
Publication Date:
05/03/1960
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Export Citation:
Assignee:
Eric, Koehler Karl
Primary Class:
Other Classes:
434/212, 428/542.800, 229/162.100, 206/815, 229/104, 116/63P, 40/594
International Classes:
B65D5/00; B65D5/36