2994764

Information

• Patent Grant
• 2994764

• References
• Source

• Patent Number

  2,994,764

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1961
  63 years ago

• CPC

  • B61L1/161 - characterised by the counting methods
  • B61L1/165 - Electrical
  • B61L1/167 - Circuit details
  • B61L13/04 - using electrical or magnetic interaction between vehicle and track
  • B61L13/047 - controlling inductively or magnetically

• US Classifications

  • 246 - Railway switches and signals