576180

Information

• Patent Grant
• 576180

• References
• Source

• Patent Number

  576,180

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1897
  128 years ago

• CPC

  • G04B47/06 - with attached measuring instruments
  • G04B21/005 - Periodical acoustic signalling arrangements
  • G04B25/04 - Alarm clocks or watches with devices stimulating the skin

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 600 - Surgery