3002732

Information

• Patent Grant
• 3002732

• References
• Source

• Patent Number

  3,002,732

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1961
  63 years ago

• CPC

  • E21C31/04 - imparting both a rotary and reciprocating motion

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 091 - Motors: expansible chamber type