2045438

Information

• Patent Grant
• 2045438

• References
• Source

• Patent Number

  2,045,438

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1936
  88 years ago

• CPC

  • G05B19/122 - using cards, tapes or discs having conductive paths
  • G05B2219/23202 - Curve, surface represents analog value, line, surface follower

• US Classifications

  • 236 - Automatic temperature and humidity regulation