1408490

Information

• Patent Grant
• 1408490

• References
• Source

• Patent Number

  1,408,490

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1922
  102 years ago

• CPC

  • A01F17/04 - Pneumatic conveyors
  • Y10T74/15 - Intermittent grip type mechanical movement
  • Y10T74/1568 - Automatic
  • Y10T74/1569 - Idle stroke

• US Classifications

  • 074 - Machine element or mechanism