1969394

Information

• Patent Grant
• 1969394

• References
• Source

• Patent Number

  1,969,394

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1934
  90 years ago

• CPC

  • C03B33/078 - Polymeric interlayers
  • C03B33/072 - Armoured glass
  • Y10T225/304 - Including means to apply thermal shock to work

• US Classifications

  • 225 - Severing by tearing or breaking
  • 219 - Electric heating