3426479

Information

• Patent Grant
• 3426479

• References
• Source

• Patent Number

  3,426,479

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  56 years ago

• CPC

  • E06B1/347 - Renovation door frames covering the existing old frames

• US Classifications

  • 049 - Movable or removable closures
  • 052 - Static structures
  • D25 - Building units and construction elements