3644028

Information

• Patent Grant
• 3644028

• References
• Source

• Patent Number

  3,644,028

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • G03B23/046 - Picture changing devices
  • Y10T74/18256 - Slidable connections [e.g., scotch yoke]

• US Classifications

  • 353 - Optics: image projectors
  • 074 - Machine element or mechanism
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts