1765248

Information

• Patent Grant
• 1765248

• References
• Source

• Patent Number

  1,765,248

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1930
  94 years ago

• CPC

  • E21C29/08 - Anchoring arrangements

• US Classifications

  • 248 - Supports
  • 052 - Static structures
  • 299 - Mining or in situ disintegration of hard material