3646653

Information

• Patent Grant
• 3646653

• References
• Source

• Patent Number

  3,646,653

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • B21D26/021 - Deforming sheet bodies
  • B21D26/02 - by applying fluid pressure
  • B21D26/029 - Closing or sealing means
  • B44B5/026 - Dies
  • G04D3/0048 - for dials
  • G09F7/165 - The letters, numerals, or other symbols being obtained by a treatment of the support
  • Y10T29/49583 - having indicia, face, or dial
  • Y10T29/49805 - Shaping by direct application of fluent pressure

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 968 - Horology