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Class Information
Number: 232/31
Name: Deposit and collection receptacles > Letter boxes > Collection devices > Safety receptacles
Description: Subject matter wherein the construction is such that either the receptacle or the box bottom, or both, must be closed and locked before the receptacle can be removed from the box. Usually neither of the parts can be unlocked by the carrier except when they are together.










Sub-classes under this class:

Class Number Class Name Patents
232/32 Auxiliary 4


Patents under this class:

Patent Number Title Of Patent Date Issued
8397933 Medical waste receptable Mar. 19, 2013
8390850 Toy mailbox Mar. 5, 2013
7694447 Weather resistant container for storing rolled construction documents and display for building permits Apr. 13, 2010
7436536 System and method of providing proof of delivery Oct. 14, 2008
7287686 Mail receptacle for isolating received items in public drop boxes Oct. 30, 2007
7175068 Method and apparatus for containing mail articles deposited in a mail drop box Feb. 13, 2007
7159762 Public drop box for isolating received items Jan. 9, 2007
7114645 Mail receptacle for isolating received items in public drop boxes Oct. 3, 2006
7040529 Drop box for isolating received items May. 9, 2006
6953148 Mail collection bag Oct. 11, 2005
6872927 Systems and methods for processing pathogen-contaminated mail pieces Mar. 29, 2005
6854640 Removable coin bin Feb. 15, 2005
6753536 Apparatus for neutralizing chemical and biological threats Jun. 22, 2004
5148974 Security mail box with improved anti-tamper means Sep. 22, 1992
4434931 Cash box for paper currency Mar. 6, 1984
4037780 Locking letter tray Jul. 26, 1977











 
 
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