3822858

Information

• Patent Grant
• 3822858

• References
• Source

• Patent Number

  3,822,858

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • E04G15/068 - for channels open towards the surface
  • E04G9/10 - with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
  • E04G17/00 - Connecting or other auxiliary members for forms, falsework structure, or shutterings

• US Classifications

  • 249 - Static molds