3805458

Information

• Patent Grant
• 3805458

• References
• Source

• Patent Number

  3,805,458

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • B24B37/28 - for double side lapping of plane surfaces
  • B24B37/042 - operating processes therefor
  • C30B33/00 - After-treatment of single crystals or homogeneous polycrystalline material with defined structure
  • H01L41/337 - by polishing or grinding
  • H03H3/02 - for the manufacture of piezo-electric or electrostrictive resonators or networks
  • Y10S451/919 - Wankel

• US Classifications

  • 451 - Abrading