1309975

Information

• Patent Grant
• 1309975

• References
• Source

• Patent Number

  1,309,975

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1919
  105 years ago

• CPC

  • B63H23/321 - Bearings or seals specially adapted for propeller shafts
  • B63H2023/344 - comprising flexible shafts members

• US Classifications

  • 440 - Marine propulsion