3471643

Information

• Patent Grant
• 3471643

• References
• Source

• Patent Number

  3,471,643

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1969
  55 years ago

• CPC

  • H04M1/6545 - mechanically actuating hook switch

• US Classifications

  • 379 - Telephonic communications