1819304

Information

• Patent Grant
• 1819304

• References
• Source

• Patent Number

  1,819,304

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1931
  93 years ago

• CPC

  • E01C11/123 - Joints with only metal and in situ prepared packing or filling

• US Classifications

  • 404 - Road structure, process, or apparatus