3820287

Information

• Patent Grant
• 3820287

• References
• Source

• Patent Number

  3,820,287

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B23Q15/00 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work
  • G05B19/104 - characterised by physical layout of switches; switches co-operating with display; use of switches in a special way
  • G05B19/106 - for selecting a programme, variable or parameter
  • G05B2219/24158 - Access only for service, hide, forbidden tamperfree keys, program

• US Classifications

  • 451 - Abrading
  • 318 - Electricity: motive power systems