2994231

Information

• Patent Grant
• 2994231

• References
• Source

• Patent Number

  2,994,231

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1961
  63 years ago

• CPC

  • B64D17/78 - in association with other load-retarding apparatus
  • B64D2700/62587 - Other emergency devices
  • Y10T74/20012 - Multiple controlled elements
  • Y10T74/20213 - Interconnected
  • Y10T74/20396 - Hand operated
  • Y10T74/2042 - and hand operator

• US Classifications

  • 074 - Machine element or mechanism
  • 294 - Handling: hand and hoist-line implements
  • 439 - Electrical connectors