1903772

Information

• Patent Grant
• 1903772

• References
• Source

• Patent Number

  1,903,772

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1933
  91 years ago

• CPC

  • B28D1/125 - with exchangeable cutter bits or cutter segments
  • B27B33/145 - having plural teeth on a single link
  • E21C35/18 - Mining picks Holders therefor

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 125 - Stone working