3734030

Information

• Patent Grant
• 3734030

• References
• Source

• Patent Number

  3,734,030

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • B61C15/04 - by controlling wheel pressure

• US Classifications

  • 105 - Railway rolling stock
  • 267 - Spring devices