1909975

Information

• Patent Grant
• 1909975

• References
• Source

• Patent Number

  1,909,975

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1933
  91 years ago

• CPC

  • B22D19/06 - for manufacturing or repairing tools
  • Y10S76/05 - Electric welding
  • Y10S76/12 - Diamond tools

• US Classifications

  • 164 - Metal founding
  • 076 - Metal tools and implements, making