1948560

Information

• Patent Grant
• 1948560

• References
• Source

• Patent Number

  1,948,560

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1934
  91 years ago

• CPC

  • C03B23/0473 - for forming constrictions
  • C03B23/0493 - in a longitudinal direction

• US Classifications

  • 065 - Glass manufacturing