3020856

Information

• Patent Grant
• 3020856

• References
• Source

• Patent Number

  3,020,856

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  63 years ago

• CPC

  • B60G7/005 - Ball joints
  • B60G11/62 - having both rubber springs and fluid springs
  • B61F5/08 - incorporating rubber springs
  • B61F5/10 - incorporating fluid springs
  • F16F9/0445 - characterised by intermediate rings or other not embedded reinforcing elements
  • B60G2202/143 - subjected to compression
  • B60G2204/125 - Mounting of rubber type springs
  • B60G2204/4504 - using cable or band to prevent extension

• US Classifications

  • 105 - Railway rolling stock
  • 267 - Spring devices