2280304

Information

• Patent Grant
• 2280304

• References
• Source

• Patent Number

  2,280,304

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1942
  82 years ago

• CPC

  • H04R25/04 - comprising pocket amplifiers
  • H04R2460/17 - Hearing device specific tools used for storing or handling hearing devices or parts thereof
  • Y10T24/1391 - Article held by clip with spring [e.g., leaf, coil] member
  • Y10T24/3427 - Clasp
  • Y10T24/4602 - with separately operable, manually releasable, nonpenetrating means for mounting [e.g., drapery hook]

• US Classifications

  • 024 - Buckles, buttons, clasps, etc.
  • D19 - Office supplies