2520593

Information

• Patent Grant
• 2520593

• References
• Source

• Patent Number

  2,520,593

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1950
  73 years ago

• CPC

  • E06B9/323 - Structure or support of upper box
  • Y10T428/12257 - Only one plane of symmetry

• US Classifications

  • 248 - Supports
  • 428 - Stock material or miscellaneous articles