2138520

Information

• Patent Grant
• 2138520

• References
• Source

• Patent Number

  2,138,520

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1938
  86 years ago

• CPC

  • B24D15/10 - of safety-razor blades
  • Y10S76/09 - Razor blade sharpeners

• US Classifications

  • 451 - Abrading
  • 076 - Metal tools and implements, making