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Class 229/71 - Display


Subclass of Class 229 - Envelopes, wrappers, and paperboard boxes
Definition: Envelopes having openings through which the contents may
No. of patents: 201
Last issue date: 06/24/2008


          6  
NumberTitleIssue Date
3946508Scene-changing display card
A display card of the pull card type having a swinging operating tab for sliding an intermediate display leaf between a back leaf and the display aperture of a front display leaf to shift the intermediate display leaf and change the scene or message visib... 		03/30/1976
          6  
 
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