2178385

Information

• Patent Grant
• 2178385

• References
• Source

• Patent Number

  2,178,385

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1939
  86 years ago

• CPC

  • D06F47/06 - by a flexible diaphragm
  • B30B9/225 - the diaphragm being tubular

• US Classifications

  • 068 - Textiles: fluid treating apparatus
  • 222 - Dispensing