1531703

Information

• Patent Grant
• 1531703

• References
• Source

• Patent Number

  1,531,703

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1925
  99 years ago

• CPC

  • B43L19/0056 - Holders for erasers

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 400 - Typewriting machines