3472638

Information

• Patent Grant
• 3472638

• References
• Source

• Patent Number

  3,472,638

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1969
  55 years ago

• CPC

  • G01K5/025 - Manufacturing of this particular type of thermometer
  • G01K5/225 - with means for indicating a maximum

• US Classifications

  • 065 - Glass manufacturing
  • 250 - Radiant energy
  • 374 - Thermal measuring and testing