436794

Information

• Patent Grant
• 436794

• References
• Source

• Patent Number

  436,794

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1890
  134 years ago

• CPC

  • B30B9/225 - the diaphragm being tubular

• US Classifications

  • 068 - Textiles: fluid treating apparatus
  • 248 - Supports