2992572

Information

• Patent Grant
• 2992572

• References
• Source

• Patent Number

  2,992,572

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1961
  64 years ago

• CPC

  • B43K1/08 - with ball points Balls or ball beds
  • Y10T29/49853 - of sphere, i.e., ball, in socket
  • Y10T29/49854 - Ball point pen making
  • Y10T29/49918 - At cup or tube end
  • Y10T29/49934 - by axially applying force
  • Y10T29/53474 - Means to insert or extract pen point
  • Y10T29/53717 - Annular work

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming