2578810

Information

• Patent Grant
• 2578810

• References
• Source

• Patent Number

  2,578,810

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1951
  73 years ago

• CPC

  • E05F15/53 - for swinging wings
  • E05Y2800/262 - column shaped
  • E05Y2900/51 - for railway cars or mass transit vehicles

• US Classifications

  • 091 - Motors: expansible chamber type
  • 049 - Movable or removable closures