2631513

Information

• Patent Grant
• 2631513

• References
• Source

• Patent Number

  2,631,513

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1953
  71 years ago

• CPC

  • A01B63/1115 - using a mechanical ground contact sensor
  • A01B3/38 - without alternating possibility

• US Classifications

  • 172 - Earth working