US Patent 8721593 Injection device
Patent 8721593 was granted and assigned to Owen Mumford Corporate on May, 2014 by the United States Patent and Trademark Office.
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Patent abstract
An autoinjector is provided with a magnetically operated “injection complete” indicator. A moveable magnet (44) associated with the drive piston (38) is kept at one end of a recess by a soft iron keeper (46) until the drive piston reaches its formal position where the moveable magnet (44) is attracted to impact a magnet (48) on the housing to generate an audible click. Also described is a spring finger (52) that slips behind the rear edge of the syringe boot (50) temporarily to hold the end of the boot well clear of the housing to that it can be gripped for removal.
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US Patent 08721593 Injection device US Patent 8721593 Injection device
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Patent Number
0872159300
Patent Number
872159300
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
087215930
Date of Patent
May 13, 2014
0Patent Application Number
129939550
Date Filed
May 20, 2009
0Official Website
Patent Primary Examiner
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
087215930
Date of Patent
May 13, 2014
0Patent Application Number
129939550
Date Filed
May 20, 2009
0Official Website
Patent Primary Examiner
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US Patent 08721593 Injection device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08721593
Date of patent
May 13, 2014
Patent application number
12993955
Date Filed
May 20, 2009
Patent primary examiner
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