1397875

Information

• Patent Grant
• 1397875

• References
• Source

• Patent Number

  1,397,875

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1921
  103 years ago

• CPC

  • D01C3/02 - De-gumming silk

• US Classifications

  • 435 - Chemistry: molecular biology and microbiology
  • 510 - Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions