1788660

Information

• Patent Grant
• 1788660

• References
• Source

• Patent Number

  1,788,660

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1931
  94 years ago

• CPC

  • D01D4/022 - Processes or materials for the preparation of spinnerettes
  • D01D4/027 - Spinnerettes containing inserts

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 138 - Pipes and tubular conduits