1974220

Information

• Patent Grant
• 1974220

• References
• Source

• Patent Number

  1,974,220

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1934
  90 years ago

• CPC

  • G01C19/26 - Caging, i.e. immobilising moving parts
  • Y10T74/1211 - and resetting means

• US Classifications

  • 074 - Machine element or mechanism
  • 033 - Geometrical instruments