1377038

Information

• Patent Grant
• 1377038

• References
• Source

• Patent Number

  1,377,038

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1921
  103 years ago

• CPC

  • E06B9/64 - with lowerable roller
  • Y10T16/645 - Rack and pinion

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 016 - Miscellaneous hardware