3555984

Information

• Patent Grant
• 3555984

• References
• Source

• Patent Number

  3,555,984

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  53 years ago

• CPC

  • G03B7/083 - for control of exposure time
  • G03B7/06 - by a follow-up movement of an associated reference mark to the pointer
  • G03B9/07 - with means for presetting the diaphragm

• US Classifications

  • 396 - Photography