3351768

Information

• Patent Grant
• 3351768

• References
• Source

• Patent Number

  3,351,768

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1967
  57 years ago

• CPC

  • B23Q15/00 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work
  • G01B21/065 - for stretchable materials
  • G01D5/38 - by diffraction gratings

• US Classifications

  • 250 - Radiant energy
  • 356 - Optics: measuring and testing