3631628

Information

• Patent Grant
• 3631628

• References
• Source

• Patent Number

  3,631,628

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • E05F15/59 - for overhead wings
  • E05F15/75 - responsive to the weight or other physical contact of a person or object

• US Classifications

  • 049 - Movable or removable closures