2151736

Information

• Patent Grant
• 2151736

• References
• Source

• Patent Number

  2,151,736

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1939
  86 years ago

• CPC

  • H01L41/00 - Piezo-electric devices in general Electrostrictive devices in general Magnetostrictive devices in general Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof Details thereof
  • Y10S125/901 - forming piezoelectric crystals
  • Y10T29/42 - Piezoelectric device making

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 029 - Metal working
  • 125 - Stone working
  • 324 - Electricity: measuring and testing
  • 451 - Abrading