2020017

Information

• Patent Grant
• 2020017

• References
• Source

• Patent Number

  2,020,017

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • E01C11/185 - the reinforcements extending up to the surface

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 052 - Static structures