2780135

Information

• Patent Grant
• 2780135

• References
• Source

• Patent Number

  2,780,135

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1957
  68 years ago

• CPC

  • G03B15/00 - Special procedures for taking photographs Apparatus therefor
  • Y10S33/06 - Dial indicator shock absorber
  • Y10S33/07 - Ribbon and wires

• US Classifications

  • 108 - Horizontally supported planar surfaces
  • 033 - Geometrical instruments
  • 209 - Classifying, separating, and assorting solids
  • 451 - Abrading