2992818

Information

• Patent Grant
• 2992818

• References
• Source

• Patent Number

  2,992,818

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1961
  63 years ago

• CPC

  • G05D3/00 - Control of position or direction
  • G05B2219/34035 - Time relay
  • G05B2219/37627 - Measure elapsed time needed for positioning
  • G05B2219/43079 - Acceleration, deceleration controlled by switches along path
  • G05B2219/45242 - Door, panel, window operation, opening, closing

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 049 - Movable or removable closures