1838417

Information

• Patent Grant
• 1838417

• References
• Source

• Patent Number

  1,838,417

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1931
  93 years ago

• CPC

  • B22C9/06 - Permanent moulds for shaped castings
  • Y10S76/03 - Casting
  • Y10T29/49467 - Gear shaping
  • Y10T29/49469 - Worm gear
  • Y10T74/2173 - Cranks and wrist pins

• US Classifications

  • 164 - Metal founding
  • 029 - Metal working
  • 074 - Machine element or mechanism
  • 076 - Metal tools and implements, making
  • 249 - Static molds