1885848

Information

• Patent Grant
• 1885848

• References
• Source

• Patent Number

  1,885,848

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1932
  92 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
  • Y10T82/25 - Lathe
  • Y10T82/2541 - Slide rest
  • Y10T82/26 - Work driver

• US Classifications

  • 082 - Turning
  • 029 - Metal working
  • 451 - Abrading