Resources Contact Us Home
Browse by Category: Main > Packaging & Containers
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

  Recently Added Patents
Data storage device with surface ornamentation
Provision of downlink packet access services to user equipment in spread spectrum communication network
Portion of a display panel with an unhappy facial expression icon
Control device of hybrid vehicle
Switch redundancy in systems with dual-star backplanes
Phenethanolamine derivatives for treatment of respiratory diseases
Collaborative system for capture and reuse of software application knowledge and a method of realizing same
  Randomly Featured Patents
Preparation of (meth)acrylates
Clock recovery circuit
Flow control for electro-hydraulic systems
Video signal processing to derive motion vectors representing motion between successive fields or frames
Portable oxygen therapy unit
Method of manufacturing a field pole magnet
Battering ram
RTK-GPS surveying system
Anti-microbial reaction product of #9 allantoin and formaldehyde
Semiconductor device and method for fabricating semiconductor device