1562137

Information

• Patent Grant
• 1562137

• References
• Source

• Patent Number

  1,562,137

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1925
  99 years ago

• CPC

  • E21D1/12 - by freezing
  • E02B1/00 - Equipment or apparatus for, or methods of, general hydraulic engineering

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 044 - Fuel and related compositions
  • 102 - Ammunition and explosives
  • 126 - Stoves and furnaces
  • 149 - Explosive and thermic compositions or charges