3545132

Information

• Patent Grant
• 3545132

• References
• Source

• Patent Number

  3,545,132

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1970
  54 years ago

• CPC

  • E05D13/12 - with springs
  • E05D13/1215 - specially adapted for overhead wings
  • E05F15/676 - operated by friction wheels
  • E05D15/425 - specially adapted for overhead wings
  • E05Y2201/434 - Electromotors Details thereof
  • E05Y2201/488 - Traction springs
  • E05Y2600/46 - in or on the wing
  • E05Y2800/21 - of identical elements
  • E05Y2900/106 - for garages

• US Classifications

  • 049 - Movable or removable closures