1994172

Information

• Patent Grant
• 1994172

• References
• Source

• Patent Number

  1,994,172

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1935
  89 years ago

• CPC

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

• US Classifications

  • 052 - Static structures