2243608

Information

• Patent Grant
• 2243608

• References
• Source

• Patent Number

  2,243,608

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1941
  83 years ago

• CPC

  • B21H3/02 - external screw-threads; Making dies for thread rolling
  • G01B3/48 - for internal screw-threads
  • Y10S29/012 - Method or apparatus with electroplating
  • Y10S76/04 - Chromium
  • Y10T29/49986 - Subsequent to metal working

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working
  • 033 - Geometrical instruments
  • 076 - Metal tools and implements, making