2298081

Information

• Patent Grant
• 2298081

• References
• Source

• Patent Number

  2,298,081

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1942
  82 years ago

• CPC

  • G03F1/00 - Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles Mask blanks or pellicles therefor Containers specially adapted therefor Preparation thereof
  • B41M3/04 - Music
  • G09B15/02 - Boards or like means for providing an indication of notes
  • G10G1/00 - Means for the representation of music

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 084 - Music
  • 273 - Amusement devices: games