Receptacle closure

• US 2,642,870 A
• Filed: 08/26/1950
• Issued: 06/23/1953
• Est. Priority Date: 08/26/1950
• Status: Expired due to Term

• Current Assignee: Arthur E. Smith
• Original Assignee: Arthur E. Smith
• Inventors: Smith, Arthur E.
• Application Number:
  US03/181,668
• Time in Patent Office: 1,032 Days
• US Class Current: 206/222
• CPC Class Codes: B65D 51/2814 the additional article or materials being released by piercing, cutting or tearing an element enclosing it
• CPC Class Codes: Y10S 215/08 Mixing

Claims