1689917

Information

• Patent Grant
• 1689917

• References
• Source

• Patent Number

  1,689,917

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1928
  96 years ago

• CPC

  • A47J41/005 - comprising heat or cold producing means
  • Y10S165/179 - Container enclosed by casing

• US Classifications

  • 165 - Heat exchange
  • 220 - Receptacles