3471973

Information

• Patent Grant
• 3471973

• References
• Source

• Patent Number

  3,471,973

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1969
  55 years ago

• CPC

  • E04F21/0007 - for mounting doors, windows or frames; their fitting

• US Classifications

  • 049 - Movable or removable closures
  • 052 - Static structures