1502902

Information

• Patent Grant
• 1502902

• References
• Source

• Patent Number

  1,502,902

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1924
  100 years ago

• CPC

  • G01B21/065 - for stretchable materials
  • G01B5/043 - for measuring length

• US Classifications

  • 033 - Geometrical instruments