2840895

Information

• Patent Grant
• 2840895

• References
• Source

• Patent Number

  2,840,895

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1958
  66 years ago

• CPC

  • B29C33/0033 - constructed for making articles provided with holes
  • B29D99/0082 - Producing articles in the form of closed loops
  • B29L2031/709 - Articles shaped in a closed loop
  • Y10T29/49838 - by stringing
  • Y10T29/49893 - Peripheral joining of opposed mirror image parts to form a hollow body
  • Y10T29/49996 - Successive distinct removal operations

• US Classifications

  • 029 - Metal working