1771304

Information

• Patent Grant
• 1771304

• References
• Source

• Patent Number

  1,771,304

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1930
  94 years ago

• CPC

  • E06B5/16 - Fireproof doors or similar closures Adaptations of fixed constructions therefor
  • E06B2003/7069 - with cladding

• US Classifications

  • 052 - Static structures