3638875

Information

• Patent Grant
• 3638875

• References
• Source

• Patent Number

  3,638,875

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • G03B23/12 - linear strip carrier
  • Y10S353/02 - Film strip

• US Classifications

  • 352 - Optics: motion pictures
  • 242 - Winding, tensioning, or guiding
  • 353 - Optics: image projectors