3721545

Information

• Patent Grant
• 3721545

• References
• Source

• Patent Number

  3,721,545

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • C03B9/3535 - with the half moulds parallel upon opening and closing

• US Classifications

  • 065 - Glass manufacturing