1670349

Information

• Patent Grant
• 1670349

• References
• Source

• Patent Number

  1,670,349

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1928
  96 years ago

• CPC

  • F01L31/10 - the drive being effected by eccentrics

• US Classifications

  • 033 - Geometrical instruments