1772332

Information

• Patent Grant
• 1772332

• References
• Source

• Patent Number

  1,772,332

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1930
  94 years ago

• CPC

  • B61L11/02 - Using mechanical interaction between vehicle and track
  • Y10S76/08 - Razor blade manufacturing

• US Classifications

  • 246 - Railway switches and signals
  • 076 - Metal tools and implements, making
  • 196 - Mineral oils: apparatus