1528034

Information

• Patent Grant
• 1528034

• References
• Source

• Patent Number

  1,528,034

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1925
  100 years ago

• CPC

  • E21D15/52 - Extensible units located above or below standard props

• US Classifications

  • 248 - Supports
  • 405 - Hydraulic and earth engineering