2850972

Information

• Patent Grant
• 2850972

• References
• Source

• Patent Number

  2,850,972

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1958
  66 years ago

• CPC

  • B41B1/08 - for inserting latest news

• US Classifications

  • 101 - Printing
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets