2821942

Information

• Patent Grant
• 2821942

• References
• Source

• Patent Number

  2,821,942

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  66 years ago

• CPC

  • B61D19/004 - swinging
  • Y10T16/53834 - to counterbalance weight of hinged member [e.g., closure biased to open position]
  • Y10T16/5386 - having force adjustment

• US Classifications

  • 105 - Railway rolling stock
  • 016 - Miscellaneous hardware
  • 267 - Spring devices
  • 296 - Land vehicles: bodies and tops