1944033

Information

• Patent Grant
• 1944033

• References
• Source

• Patent Number

  1,944,033

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1934
  91 years ago

• CPC

  • G03B1/42 - Guiding, framing, or constraining film in desired position relative to lens system
  • G03B21/48 - for altering frame speed for regulating constancy of film speed

• US Classifications

  • 352 - Optics: motion pictures
  • 188 - Brakes
  • 226 - Advancing material of indeterminate length
  • 242 - Winding, tensioning, or guiding