3798730

Information

• Patent Grant
• 3798730

• References
• Source

• Patent Number

  3,798,730

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G04D3/0048 - for dials
  • B21D39/03 - of sheet metal otherwise than by folding
  • B23P11/00 - Connecting metal parts or objects by metal-working techniques, not covered wholly by either B21J or B23K
  • G04B19/103 - attached or inlaid numbers
  • Y10T29/49583 - having indicia, face, or dial
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part
  • Y10T29/49915 - Overedge assembling of seated part
  • Y10T29/49938 - Radially expanding part in cavity, aperture, or hollow body

• US Classifications

  • 029 - Metal working
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology