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Class Information
Number: 232/25
Name: Deposit and collection receptacles > Letter boxes > Compartment > Cooperative closures
Description: Wherein the same closure or cooperating closures govern the opening or openings to the several compartments.










Sub-classes under this class:

Class Number Class Name Patents
232/26 Distributing guide 1


Patents under this class:

Patent Number Title Of Patent Date Issued
8661862 Cluster box mail delivery unit having security features Mar. 4, 2014
8390850 Toy mailbox Mar. 5, 2013
8246124 Delivery storage locker Aug. 21, 2012
8167195 Cluster box mail delivery unit having security features May. 1, 2012
7963436 Cluster box mail delivery unit having security features Jun. 21, 2011
7857199 Cluster box mail delivery unit having security features Dec. 28, 2010
7748606 Cluster box mail delivery unit having security features Jul. 6, 2010
7604158 Multi-unit mailbox with replaceable letter drop structure Oct. 20, 2009
7337944 Universal delivery and collection box unit (UDCBU) Mar. 4, 2008
6889894 Multi-compartment mailboxes May. 10, 2005
6749109 Cluster mailbox protective gate system Jun. 15, 2004
6328205 Secure cluster box unit for mail and parcels Dec. 11, 2001
6296181 Interlocking door seam Oct. 2, 2001
6247641 Secure cluster box unit for mail and parcels Jun. 19, 2001
5820018 Mailbox system with lockable back doors Oct. 13, 1998
5820019 Cluster mailbox communication device Oct. 13, 1998
5794844 Multi-point locking system Aug. 18, 1998
5267688 Locking device for mailboxes Dec. 7, 1993
5103659 Locking device for mailboxes Apr. 14, 1992
4651921 Postal service facility Mar. 24, 1987
4648550 Tamperproof mailbox assembly Mar. 10, 1987
4161274 Door panel for mail box unit Jul. 17, 1979
4107757 Pulse power source Aug. 15, 1978











 
 
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