486684

Information

• Patent Grant
• 486684

• References
• Source

• Patent Number

  486,684

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1892
  131 years ago

• CPC

  • B63H20/007 - Trolling propulsion units
  • B63H2023/344 - comprising flexible shafts members

• US Classifications

  • 440 - Marine propulsion