1663143

Information

• Patent Grant
• 1663143

• References
• Source

• Patent Number

  1,663,143

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1928
  97 years ago

• CPC

  • B63H1/32 - Flaps, pistons, or the like, reciprocating in propulsive direction
  • Y10T74/1581 - Multiple acting

• US Classifications

  • 440 - Marine propulsion
  • 074 - Machine element or mechanism