1950169

Information

• Patent Grant
• 1950169

• References
• Source

• Patent Number

  1,950,169

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1934
  91 years ago

• CPC

  • E01C23/0953 - by thermal effect
  • E01C23/14 - for heating or drying foundation, paving, or materials thereon

• US Classifications

  • 404 - Road structure, process, or apparatus