1940644

Information

• Patent Grant
• 1940644

• References
• Source

• Patent Number

  1,940,644

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • B41J19/40 - Escapements having a single pawl or like detent

• US Classifications

  • 400 - Typewriting machines