1931422

Information

• Patent Grant
• 1931422

• References
• Source

• Patent Number

  1,931,422

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1933
  91 years ago

• CPC

  • B41B11/72 - Devices for trimming type-bars Cleaning devices for trimming knives Ejectors for type-bars
  • Y10S409/901 - Stereotype printing plate

• US Classifications

  • 199 - Type casting
  • 409 - Gear cutting, milling, or planing