235657

Information

• Patent Grant
• 235657

• References
• Source

• Patent Number

  235,657

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1880
  145 years ago

• CPC

  • F04D29/384 - characterised by form
  • B63B2745/00 - Propellers for ships in general

• US Classifications

  • 416 - Fluid reaction surfaces