Letter opening container

Abstract

The invention features a container that includes an opening for inserting and removing a letter, a first opening for opening and examining the letter, and a window for visually checking the letter against a contrasting color of an interior surface of the container. The container which may have a closed configuration is used for opening and detecting harmful, suspicious foreign substances such as white powdery particles included in letters of postal mail systems.

What is claimed is:  
     
         1 . A container comprising: 
 an opening for inserting and removing a letter;    a first opening for opening and examining the letter;    a window for visually checking the letter against a contrasting color of an interior surface of the container.    
     
     
         2 . The container of  claim 1  wherein the container includes a plurality of panels, at least one of which includes the window and is configured to open the container for placing a parcel within the container.  
     
     
         3 . The container of  claim 1  wherein the contrasting color is black.  
     
     
         4 . The container of  claim 1  further comprising a second opening, wherein the first and second opening provide a passage in the container for inserting a user's hands through the first and second opening.  
     
     
         5 . The container of  claim 1  wherein the container is assembled from a plurality of collapsible parts.  
     
     
         6 . The container of  claim 1  wherein the container has a closed boxed configuration.  
     
     
         7 . The container of  claim 6  wherein the container includes a plurality of panels, at least one of which includes the window and is configured to open the container for placing a parcel within the container.  
     
     
         8 . The container of  claim 6  wherein the contrasting color is black.  
     
     
         9 . The container of  claim 6  further comprising a second opening, wherein the first and second opening provide a passage in the container for inserting a user's hands through the first and second opening.  
     
     
         10 . The container of  claim 6  wherein the container is assembled from a plurality of collapsible parts.  
     
     
         11 . The container of  claim 6  wherein the container is configured to be disposed as a sealed container.  
     
     
         12 . The container of  claim 6  wherein the interior surface of the container includes a static coating for trapping particles.