3651552

Information

• Patent Grant
• 3651552

• References
• Source

• Patent Number

  3,651,552

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1972
  53 years ago

• CPC

  • E04C2/426 - with continuous bars that remain unconnected at crossing points of the grid pattern
  • Y10T29/4962 - Grille making
  • Y10T29/49922 - by bending over projecting prongs

• US Classifications

  • 029 - Metal working
  • 052 - Static structures