1956680

Information

• Patent Grant
• 1956680

• References
• Source

• Patent Number

  1,956,680

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1934
  90 years ago

• CPC

  • E01C23/02 - Devices for making, treating or filling grooves or like channels in not-yet-hardened paving
  • E01C23/028 - Positioning or producing markings

• US Classifications

  • 404 - Road structure, process, or apparatus