2221436

Information

• Patent Grant
• 2221436

• References
• Source

• Patent Number

  2,221,436

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • C14B1/20 - using circular dished or coned knives
  • Y10T83/0281 - By use of rotary blade
  • Y10T83/343 - With means to deform work temporarily
  • Y10T83/748 - With work immobilizer

• US Classifications

  • 012 - Boot and shoe making
  • 069 - Leather manufactures
  • 083 - Cutting
  • 269 - Work holders