2930491

Information

• Patent Grant
• 2930491

• References
• Source

• Patent Number

  2,930,491

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1960
  65 years ago

• CPC

  • B61G11/10 - with combined rubber and metal springs

• US Classifications

  • 213 - Railway draft appliances
  • 267 - Spring devices