×

Automatic radio-transmitted brake application and release signalling apparatus for railway trains

  • US 2,961,640 A
  • Filed: 06/16/1958
  • Issued: 11/22/1960
  • Est. Priority Date: 06/16/1958
  • Status: Expired due to Term
First Claim
Patent Images

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×