3646903

Information

• Patent Grant
• 3646903

• References
• Source

• Patent Number

  3,646,903

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • B63H11/06 - of reciprocating type
  • B63H11/107 - Direction control of propulsive fluid
  • B63H16/08 - Other apparatus for converting muscle power into propulsive effort

• US Classifications

  • 440 - Marine propulsion