1449236

Information

• Patent Grant
• 1449236

• References
• Source

• Patent Number

  1,449,236

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1923
  101 years ago

• CPC

  • E02D5/806 - involving use of explosives
  • E02D5/445 - by application of pyrotechniques

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 052 - Static structures