2802286

Information

• Patent Grant
• 2802286

• References
• Source

• Patent Number

  2,802,286

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1957
  67 years ago

• CPC

  • E01H5/076 - by rotary or pneumatic conveying means
  • E01H8/08 - by application of heat

• US Classifications

  • 037 - Excavating
  • 126 - Stoves and furnaces