3482879

Information

• Patent Grant
• 3482879

• References
• Source

• Patent Number

  3,482,879

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1969
  55 years ago

• CPC

  • E21C35/20 - General features of equipment for removal of chippings
  • E21C25/145 - Cowls
  • E21C27/02 - solely by slitting
  • Y10T74/18968 - Flexible connections

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 074 - Machine element or mechanism
  • 092 - Expansible chamber devices