United States Patent 2967654
Inventors:
Palmer, Charles E.
Publication Date:
01/10/1961
Assignee:
Palmer, Charles E.
International Classes:
B65D5/30; B65D5/20
US Patent References:
| 2475279 | Corner lock construction | | | |
| 2536384 | Glueless interlock for double walled folding boxes | | | |
| 2580181 | Self-locking folding box | | | |
| 2659934 | Method and apparatus for making articles from biaxially oriented thermoplastic sheet material | | | |