Method of forming closure caps

• US 3,379,155 A
• Filed: 10/21/1965
• Issued: 04/23/1968
• Est. Priority Date: 11/25/1963
• Status: Expired due to Term

• Current Assignee: Herbert F. Wheaton, Stanley J. Koll
• Original Assignee: Herbert F. Wheaton, Stanley J. Koll
• Inventors: Wheaton, Herbert F., Koll, Stanley J.
• Application Number:
  US04/505,594
• Time in Patent Office: 915 Days
• US Class Current: 413/17
• CPC Class Codes: B21D 51/383 scoring lines, tear strips or pulling tabs
• CPC Class Codes: B65D 2401/35 Vertical or axial lines of weakness
• CPC Class Codes: B65D 41/42 made of relatively-stiff metallic material, e.g. crown caps

Claims