3782680

Information

• Patent Grant
• 3782680

• References
• Source

• Patent Number

  3,782,680

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1974
  51 years ago

• CPC

  • E04G11/46 - of hat-like or trough-like shape encasing a rib or the section between two ribs or encasing one rib and its adjacent flat floor or ceiling section
  • B28B7/0085 - with surfaces for moulding chamfers
  • E04B5/32 - Floor structures wholly cast in situ with or without form units or reinforcements
  • Y10S425/106 - Chamber

• US Classifications

  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus