Multiple chamber automatic injector
Claims
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 1943120 | January 1934 | Kabnick |
| 2688966 | September 1954 | Huber |
| 4059109 | November 22, 1977 | Tischlinger |
| 4316463 | February 23, 1982 | Schmitz et al. |
| 4484910 | November 27, 1984 | Sarnoff et al. |
| 4643721 | February 17, 1987 | Brunet |
| 4755169 | July 5, 1988 | Sarnoff |
| 4822340 | April 18, 1989 | Kamstra |
| 4983164 | January 8, 1991 | Hook |
| 5085642 | February 4, 1992 | Sarnoff |
| 5092843 | March 3, 1992 | Monroe |
| 1094932 | December 1960 | DEX |
Patent History
Patent number: RE35986
Type: Grant
Filed: Jul 24, 1995
Date of Patent: Dec 8, 1998
Assignee: Meridian Medical Technologies, Inc. (Columbia, MD)
Inventors: Geoffrey Ritson (Tunbridge Wells), John G. Wilmot (Germantown, MD)
Primary Examiner: Corrine M. McDermott
Law Firm: Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
Application Number: 8/506,130
Type: Grant
Filed: Jul 24, 1995
Date of Patent: Dec 8, 1998
Assignee: Meridian Medical Technologies, Inc. (Columbia, MD)
Inventors: Geoffrey Ritson (Tunbridge Wells), John G. Wilmot (Germantown, MD)
Primary Examiner: Corrine M. McDermott
Law Firm: Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
Application Number: 8/506,130
Classifications
Current U.S. Class:
Septum (604/88);
Means For Intermixing Liquid With Solid Or Different Liquid (604/82);
Spring Drives Piston (604/135);
Portion Of Conduit Stored In Material Supply Means (604/138);
Having Plural Material Reservoirs (604/191);
Septum Piercing Conduit Attached To Injector By Turning One Component Relative To Another (e.g., Thread, Bayonet Type Connector, Etc.) (604/206)
International Classification: A61M 500;
International Classification: A61M 500;
