1534

Information

• Patent Grant
• 1534

• References
• Source

• Patent Number

  1,534

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1840
  184 years ago

• CPC

  • F28F9/0212 - the partitions being separate elements attached to header boxes
  • Y10T24/3942 - Laterally shifted rope

• US Classifications

  • 165 - Heat exchange
  • 024 - Buckles, buttons, clasps, etc.