1784139

Information

• Patent Grant
• 1784139

• References
• Source

• Patent Number

  1,784,139

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1930
  94 years ago

• CPC

  • A45D20/26 - Guiding the air Regulating the air quantity

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 132 - Toilet