1623581

Information

• Patent Grant
• 1623581

• References
• Source

• Patent Number

  1,623,581

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1927
  97 years ago

• CPC

  • C03B9/03 - Blow pipes

• US Classifications

  • 065 - Glass manufacturing
  • 015 - Brushing, scrubbing, and general cleaning