1677804

Information

• Patent Grant
• 1677804

• References
• Source

• Patent Number

  1,677,804

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1928
  96 years ago

• CPC

  • F25B43/003 - filters
  • F25B2400/0413 - for the filter or drier

• US Classifications

  • 062 - Refrigeration
  • 055 - Gas separation