915575

Information

• Patent Grant
• 915575

• References
• Source

• Patent Number

  915,575

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1909
  115 years ago

• CPC

  • E04F21/16 - Implements for after-treatment of plaster or the like before it has hardened or dried
  • E04F2019/0418 - of stone or stone like material

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning