3547493

Information

• Patent Grant
• 3547493

• References
• Source

• Patent Number

  3,547,493

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • E21D11/12 - Temporary supports for use during building Accessories
  • E21D11/10 - with concrete cast in situ Shuttering also lost shutterings

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 405 - Hydraulic and earth engineering