Device
Patent 5192548 Issued on March 9, 1993. Estimated Expiration Date: 
April 30, 2010. 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.
April 30, 2010. 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 References 3927995 Inhalation device Medicament dispensing process for inhalation therapy Oral inhalator powder dispenser Method and apparatus of vaporizing active substances Patent #: 4735358 InventorsAssigneeApplicationNo. 516327 filed on 04/30/1990US Classes:424/443, Web, sheet or filament bases; compositions of bandages; or dressings with incorporated medicaments128/203.12, Means for mixing treating agent with respiratory gas128/204.13Treating agent evaporated from extended surface absorbent (e.g., sponge, fibrous wick, screen, etc.)ExaminersPrimary: Michl, Paul R.Assistant: Horne, Leon R. Attorney, Agent or FirmForeign Patent References
International ClassA61F 013/00AbstractA sheet material comprising discrete depressions which are at least partially filled with micronized medicament and which are useful as or in a drug delivery device. This sheet material is useful in devices which provide for aerosolization of the medicament, for delivery to a patient by inhalation. | |
