3440788

Information

• Patent Grant
• 3440788

• References
• Source

• Patent Number

  3,440,788

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1969
  55 years ago

• CPC

  • E04C1/40 - built-up from parts of different materials
  • E04B2002/0219 - of pyramidal shape

• US Classifications

  • 052 - Static structures