2057850

Information

• Patent Grant
• 2057850

• References
• Source

• Patent Number

  2,057,850

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1936
  88 years ago

• CPC

  • E06B3/921 - with several parts mounted telescopically inside each other

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel