2491128

Information

• Patent Grant
• 2491128

• References
• Source

• Patent Number

  2,491,128

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • B61G11/08 - with rubber springs
  • Y10T292/214 - Screw

• US Classifications

  • 213 - Railway draft appliances
  • 267 - Spring devices
  • 285 - Pipe joints or couplings
  • 292 - Closure fasteners
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener