3440775

Information

• Patent Grant
• 3440775

• References
• Source

• Patent Number

  3,440,775

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1969
  55 years ago

• CPC

  • B24C1/086 - Descaling; Removing coating films
  • B24C1/04 - for treating only selected parts of a surface
  • G03D15/008 - Application of a magnetisable sound recording stripe on a film

• US Classifications

  • 451 - Abrading