2431963

Information

• Patent Grant
• 2431963

• References
• Source

• Patent Number

  2,431,963

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1947
  77 years ago

• CPC

  • A01B33/144 - with spring tools or resiliently-attached rigid tools

• US Classifications

  • 172 - Earth working