1994649

Information

• Patent Grant
• 1994649

• References
• Source

• Patent Number

  1,994,649

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1935
  89 years ago

• CPC

  • B01J19/02 - Apparatus characterised by being constructed of material selected for its chemically-resistant properties
  • B01J2219/0209 - of glass
  • B01J2219/0213 - of enamel
  • B01J2219/0286 - Steel

• US Classifications

  • 196 - Mineral oils: apparatus
  • 165 - Heat exchange