HYPODERMIC NEEDLE

• US 3,492,992 A
• Filed: 03/26/1969
• Issued: 02/03/1970
• Est. Priority Date: 03/26/1969
• Status: Expired due to Term

• Current Assignee: Pfizer Hospital Products Group, Inc. (Pfizer Inc.)
• Original Assignee: Leonard D. Kurtz
• Inventors: Kurtz, Leonard D.
• Application Number:
  US04/810,853
• Time in Patent Office: 314 Days
• US Class Current: 604/272
• CPC Class Codes: A61J 2200/10 Coring prevention means, e.g. for plug or septum piecing members
• CPC Class Codes: A61M 5/3286 Needle tip design, e.g. for improved penetration
• CPC Class Codes: A61M 5/3291 Shafts with additional lateral openings
• CPC Class Codes: Y10S 604/90 Telltale showing entry of blood into body inserted conduit

Claims