2891590

Information

• Patent Grant
• 2891590

• References
• Source

• Patent Number

  2,891,590

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1959
  65 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
  • 249 - Static molds