Screw container as dispenser for pharmaceutical and/or cosmetic ointments produced with a stirrer
Patent 5397178 Issued on March 14, 1995. Estimated Expiration Date: 
January 14, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 14, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorApplicationNo. 185995 filed on 01/14/1994US Classes:366/197, MIXING CHAMBER REMOVABLE FROM STIRRER AND SUPPORT206/219, FOR MIXING366/251, Electric motor366/259, Actuated by pivoted lever366/312, Plural distinct scraping edges or wiping surfaces366/347COVER OR SHIELD FOR MIXING CHAMBERExaminersPrimary: Scherbel, David A.Assistant: Cooley, Charles E. Attorney, Agent or FirmForeign Patent References
International ClassesB01F 007/20347 Foreign Application Priority Data1992-05-16 DEAbstractA device for mixing pharmaceutical, cosmetic ointments, pastes, creams, gels, emulsions and the like, including a screw container, a screw cap having an inner thread cooperating with an external rim thread of the container body of the container, a motor-driven shaft extending through a central opening of the cap and having a vane stirrer at its end for producing a prescription mixture, and a plug for closing the cap central opening when the shaft is removed.Field of SearchWith rotating stirrerSingle stirrer Mixing chamber type IN VACUUM CHAMBER Batch discharge MIXING CHAMBER REMOVABLE FROM STIRRER AND SUPPORT Support rectilinearly reciprocable only Rotatable stirrer STIRRER WITHIN STATIONARY MIXING CHAMBER Mounted in removable mixing chamber closure Oscillatory stirrer Rotatable stirrer Axis fixed Coincident axes Single stirrer Bent bar Motor driven Fluid motor Electric motor Translatable stirrer Rectilinearly reciprocable only Plural stirrers With rotary input drive Actuated by pivoted lever Also axially reciprocable Including scraper, wiper, or brush Plural distinct scraping edges or wiping surfaces Axially offset Rectilinearly reciprocable stirrer In contact with mixing chamber FOR MIXING Means to manipulate without rupture | |
