1891282

Information

• Patent Grant
• 1891282

• References
• Source

• Patent Number

  1,891,282

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  92 years ago

• CPC

  • G04B9/025 - Acoustical or electrical indicating means
  • G04B1/10 - with mainspring
  • G04B21/00 - Indicating the time by acoustic means
  • G04B21/10 - Releasing or locking the regular stroke

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology