2632993

Information

• Patent Grant
• 2632993

• References
• Source

• Patent Number

  2,632,993

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1953
  71 years ago

• CPC

  • G04B3/06 - Keys or the like with means preventing overwinding
  • G04B1/20 - Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel
  • Y10T464/20 - with auxilliary indicator or alarm

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
  • 968 - Horology