2781135

Information

• Patent Grant
• 2781135

• References
• Source

• Patent Number

  2,781,135

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1957
  67 years ago

• CPC

  • B61G9/06 - with rubber springs
  • B61G9/14 - with rubber springs
  • Y10T29/49863 - with prestressing of part

• US Classifications

  • 213 - Railway draft appliances
  • 029 - Metal working
  • 267 - Spring devices