3807532

Information

• Patent Grant
• 3807532

• References
• Source

• Patent Number

  3,807,532

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  51 years ago

• CPC

  • B66C9/18 - with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
  • B61K7/16 - Positive railway stops

• US Classifications

  • 188 - Brakes
  • 104 - Railways