2229036

Information

• Patent Grant
• 2229036

• References
• Source

• Patent Number

  2,229,036

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1941
  85 years ago

• CPC

  • G01F23/241 - for discrete levels
  • B63B49/00 - Arrangements of nautical instruments or navigational aids
  • B63B2726/00 - Miscellaneous signalling devices and draft indicators

• US Classifications

  • 429 - Chemistry: electrical current producing apparatus, product, and process
  • 073 - Measuring and testing
  • 200 - Electricity: circuit makers and breakers
  • 204 - Chemistry: electrical and wave energy
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical