Class Information
Number: 232/50
Name: Deposit and collection receptacles > Closures and chutes > Letter box > Pivoted trap > Pocket > Bottomless
Description: Subject matter wherein these pockets are themselves in the nature of chutes. The cylindrical casing within which they turn acts as a bottom or end during a portion of the movement. One end is sometimes closed; but in that case the mail is not supported by this end.
Patents under this class:
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