1971598

Information

• Patent Grant
• 1971598

• References
• Source

• Patent Number

  1,971,598

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1934
  90 years ago

• CPC

  • B24B3/024 - Indexing equipment

• US Classifications

  • 451 - Abrading
  • 091 - Motors: expansible chamber type
  • 125 - Stone working