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Details for Patent: 4,811,731

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Summary for Patent: 4,811,731

Title: Devices for administering medicaments to patients
Abstract:A device is provided for administering medicaments in solid finely divided form to patients. The device comprising a housing, a tray mounted in the housing and movable between first and second positions relative to the housing, a support disc provided on the tray and adapted to receive a carrier provided with at least one medicament container. A plunger is operable to penetrate a container registered therewith to open the container, movement of the tray from its first to its second position being such as to cause the support to bring a container into registration with the plunger. Air enters through an air inlet and there is an outlet through which a patient can inhale air having medicament therein.
Inventor(s): Newell; Robert E. (Pinner, GB2), Rand; Paul K. (Nitchin, GB2), Fitzsimmons; Robert A. (Barnard Castle, GB2)
Assignee: Glaxo Group Limited (London, GB2)
Application Number:06/891,536
Patent Claim Types:
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Composition; Device;

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Foreign Priority and PCT Information for Patent: 4,811,731

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8519141Jul 30, 1985
United Kingdom8525067Oct 10, 1985

International Patent Family for Patent: 4,811,731

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria396872► subscribe
AustriaA204086► subscribe
Australia591152► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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