3418767

Information

• Patent Grant
• 3418767

• References
• Source

• Patent Number

  3,418,767

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 years ago

• CPC

  • B28B7/12 - by fluid pressure
  • E04B5/18 - with stiffening ribs or other beam-like formations wholly cast between filling members
  • 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
  • E04G15/00 - Forms or shutterings for making openings, cavities, slits, or channels
  • E04G19/00 - Auxiliary treatment of forms

• US Classifications

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