US Patent 7597192 File folder having cascading envelopes
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Patent Inventor Names
Fei-Chen Lee0
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Patent abstract
A file folder includes a reinforced receptacle, a locking mechanism to secure engagement between a cover and a body of the receptacle, a first envelope movably received in the receptacle and multiple secondary envelopes sequentially correlated to one another and the first envelope, the second envelopes being movably received inside the receptacle such that movement of a reinforcing board which is securely engaged with a rear-most secondary envelope is able to pull all the secondary envelopes out of the receptacle.
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US Patent 07597192 File folder having cascading envelopes US Patent 7597192 File folder having cascading envelopes
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Patent Number
07597192
Patent Number
7597192
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Official Website
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US Patent 07597192 File folder having cascading envelopes
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Is a
Patent jurisdiction
Patent number
07597192
Date of patent
October 6, 2009
Patent application number
11179613
Date Filed
July 13, 2005
Patent primary examiner
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