3009545

Information

• Patent Grant
• 3009545

• References
• Source

• Patent Number

  3,009,545

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1961
  63 years ago

• CPC

  • E05F17/001 - of prison cell doors

• US Classifications

  • 049 - Movable or removable closures