1770781

Information

• Patent Grant
• 1770781

• References
• Source

• Patent Number

  1,770,781

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1930
  94 years ago

• CPC

  • E04B2/36 - using elements having a general shape differing from that of a parallelepiped

• US Classifications

  • 052 - Static structures