3562953

Information

• Patent Grant
• 3562953

• References
• Source

• Patent Number

  3,562,953

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1971
  53 years ago

• CPC

  • E06B5/12 - against air pressure, explosion, or gas
  • E06B3/903 - consisting of arcuate wings revolving around a parallel axis situated outside the wing

• US Classifications

  • 049 - Movable or removable closures
  • 089 - Ordnance