3821855

Information

• Patent Grant
• 3821855

• References
• Source

• Patent Number

  3,821,855

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • B07C5/083 - Mechanically moved sensing devices, the movement of which influences the electric contact members

• US Classifications

  • 033 - Geometrical instruments
  • 209 - Classifying, separating, and assorting solids
  • 361 - Electricity: electrical systems and devices