1923208

Information

• Patent Grant
• 1923208

• References
• Source

• Patent Number

  1,923,208

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1933
  92 years ago

• CPC

  • B43L13/10 - Pantographic instruments for copying, enlarging, or diminishing
  • Y10T82/143 - having electrical actuator
  • Y10T83/875 - With templet surface following tool
  • Y10T409/301232 - including pantograph cutter-carrier
  • Y10T409/301568 - by use of pivotally supported tracer
  • Y10T409/303584 - Photocell

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 033 - Geometrical instruments
  • 082 - Turning
  • 083 - Cutting
  • 178 - Telegraphy
  • 250 - Radiant energy
  • 266 - Metallurgical apparatus
  • 409 - Gear cutting, milling, or planing
  • 451 - Abrading