3619551

Information

• Patent Grant
• 3619551

• References
• Source

• Patent Number

  3,619,551

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • E01H8/105 - Pneumatically or hydraulically loosening, removing or dislodging undesirable matter
  • B08B7/0035 - by radiant energy

• US Classifications

  • 219 - Electric heating