2070459

Information

• Patent Grant
• 2070459

• References
• Source

• Patent Number

  2,070,459

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1937
  87 years ago

• CPC

  • E04G13/025 - with stiff clamping means bracing the back-side of the form without penetrating the forming surface

• US Classifications

  • 269 - Work holders