3307460

Information

• Patent Grant
• 3307460

• References
• Source

• Patent Number

  3,307,460

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1967
  57 years ago

• CPC

  • G03B7/04 - Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device
  • F24F7/08 - with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems

• US Classifications

  • 396 - Photography
  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical
  • 356 - Optics: measuring and testing