2977533

Information

• Patent Grant
• 2977533

• References
• Source

• Patent Number

  2,977,533

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  64 years ago

• CPC

  • G01B7/285 - of propellers or turbine blades

• US Classifications

  • 324 - Electricity: measuring and testing
  • 033 - Geometrical instruments
  • 209 - Classifying, separating, and assorting solids