1838142

Information

• Patent Grant
• 1838142

• References
• Source

• Patent Number

  1,838,142

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1931
  94 years ago

• CPC

  • C03B13/02 - Rolling non-patterned sheets discontinuously

• US Classifications

  • 065 - Glass manufacturing
  • 226 - Advancing material of indeterminate length
  • 242 - Winding, tensioning, or guiding