1838768

Information

• Patent Grant
• 1838768

• References
• Source

• Patent Number

  1,838,768

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1931
  92 years ago

• CPC

  • E04G11/44 - with supporting beams for the shuttering used simultaneously as permanent reinforcement of the ribs

• US Classifications

  • 249 - Static molds