1763485

Information

• Patent Grant
• 1763485

• References
• Source

• Patent Number

  1,763,485

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1930
  94 years ago

• CPC

  • E02D5/42 - by making use of pressure liquid or pressure gas for compacting the concrete
  • E02D7/08 - Drop drivers with free-falling hammer
  • E02D7/30 - by driving cores

• US Classifications

  • 405 - Hydraulic and earth engineering