2621429

Information

• Patent Grant
• 2621429

• References
• Source

• Patent Number

  2,621,429

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1952
  72 years ago

• CPC

  • G09F15/0081 - Rotating pillars

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 052 - Static structures
  • 211 - Supports: racks