27747

Information

• Patent Grant
• 27747

• References
• Source

• Patent Number

  27,747

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1860
  164 years ago

• CPC

  • E06B9/78 - for direct manual operation
  • Y10S165/393 - including additional element between heat exchange plates

• US Classifications

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