1606892

Information

• Patent Grant
• 1606892

• References
• Source

• Patent Number

  1,606,892

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1926
  98 years ago

• CPC

  • E04G13/026 - the forming surface-element being the same for different sections of the column

• US Classifications

  • 269 - Work holders