1837487

Information

• Patent Grant
• 1837487

• References
• Source

• Patent Number

  1,837,487

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1931
  92 years ago

• CPC

  • D03C1/36 - Card- or chain-saving arrangements

• US Classifications

  • 139 - Textiles: weaving