3921567

Information

• Patent Grant
• 3921567

• References
• Source

• Patent Number

  3,921,567

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B23Q17/22 - for indicating or measuring existing or desired position of tool or work
  • B24B47/22 - Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
  • Y10S116/47 - Scale conversion

• US Classifications

  • 116 - Signals and indicators