3691714

Information

• Patent Grant
• 3691714

• References
• Source

• Patent Number

  3,691,714

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • E04B2/8611 - with spacers being embedded in at least one form leaf

• US Classifications

  • 052 - Static structures