3475017

Information

• Patent Grant
• 3475017

• References
• Source

• Patent Number

  3,475,017

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 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