2448030

Information

• Patent Grant
• 2448030

• References
• Source

• Patent Number

  2,448,030

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1948
  76 years ago

• CPC

  • G11B3/70 - characterised by the selection of material or structure Processes or apparatus specially adapted for manufacturing record carriers
  • Y10S29/104 - Tool or work attached
  • Y10T29/44 - Filing

• US Classifications

  • 451 - Abrading
  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working