2137489

Information

• Patent Grant
• 2137489

• References
• Source

• Patent Number

  2,137,489

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1938
  86 years ago

• CPC

  • A47K10/3637 - using a crank or handle
  • A47K2010/3675 - Braking devices
  • Y10T83/2174 - Blockable exit port
  • Y10T83/4443 - Unicyclic
  • Y10T83/4569 - Manual
  • Y10T83/4599 - Means to prevent random or excessive work feeds

• US Classifications

  • 083 - Cutting