1669541

Information

• Patent Grant
• 1669541

• References
• Source

• Patent Number

  1,669,541

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1928
  96 years ago

• CPC

  • E04G9/04 - the form surface being of wood
  • Y10S220/03 - Breaker strips and sealing strips
  • Y10S411/921 - Multiple-pronged nail, spike or tack
  • Y10T428/20 - Patched hole or depression

• US Classifications

  • 052 - Static structures
  • 220 - Receptacles
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
  • 428 - Stock material or miscellaneous articles