3283120

Information

• Patent Grant
• 3283120

• References
• Source

• Patent Number

  3,283,120

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1966
  58 years ago

• CPC

  • H01J37/21 - Means for adjusting the focus
  • B23K15/0013 - Positioning or observing workpieces
  • G03B7/0993 - in the camera
  • G03B17/12 - with means for supporting objectives, supplementary lenses, filters, masks, or turrets

• US Classifications

  • 219 - Electric heating
  • 250 - Radiant energy
  • 318 - Electricity: motive power systems
  • 850 - Scanning-probe techniques or apparatus