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Browse by Category: Main > Packaging & Containers
Class Information
Number: 232/35
Name: Deposit and collection receptacles > Letter boxes > Signals > Sight > Door-controlled
Description: The signals are moved or released by the action of the door of the box.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8474690 Alarm and indicating system for preventing burglary and theft Jul. 2, 2013
8297494 Alarm and indicating system for preventing burglary and theft Oct. 30, 2012
8087574 Mailbox and method Jan. 3, 2012
7905390 Mailbox alert device Mar. 15, 2011
7740165 Magnetic mail notification apparatus Jun. 22, 2010
7559456 Mail delivery indicator system Jul. 14, 2009
7552858 Mailbox flag apparatus Jun. 30, 2009
7357297 Device for remotely indicating the opening of a mailbox door Apr. 15, 2008
7337945 Mailbox delivery indicator apparatus Mar. 4, 2008
7331510 Mail indication apparatus Feb. 19, 2008
7270260 Mail alert flag Sep. 18, 2007
7232056 Secure mailbox Jun. 19, 2007
7229004 Mail delivery indicator assembly Jun. 12, 2007
7123147 Electronic mailbox with electronically programmed access door to remove mail, with separate mail delivery slot configured to prevent access to mail box, and with auxiliary backup power system Oct. 17, 2006
7083080 Mail delivery indicator assembly Aug. 1, 2006
7066381 Mail indicator Jun. 27, 2006
7028883 Mail delivery indicator system Apr. 18, 2006
7025250 Automatic gravity-actuated mailbox indicator Apr. 11, 2006
7014097 Mailbox mail-delivered signal device kit Mar. 21, 2006
7007839 Mail delivery indicator device and method Mar. 7, 2006
6896176 Crime-deterrent mailbox indicator assembly May. 24, 2005
6788203 Mailbox and counter combination device Sep. 7, 2004
6766605 Method and apparatus for illuminating advertising and marketing metered and unmetered parcel and package smart drop boxes and receptacles Jul. 27, 2004
6708875 Mailbox signal device Mar. 23, 2004
6666372 Illuminated mailbox Dec. 23, 2003
6659337 Universal mailbox flip-flag indicator Dec. 9, 2003
6655577 Sanitizing secure and safe mail box Dec. 2, 2003
6575357 Rural mailbox flags Jun. 10, 2003
6513706 Mailbox apparatus Feb. 4, 2003
6448898 System for auditing refuse collection Sep. 10, 2002
6425521 Mailbox indicator flag Jul. 30, 2002
6371367 Mailbox indicator Apr. 16, 2002
6318629 Signal device for mailbox Nov. 20, 2001
6293461 Mailbox with automatic flags Sep. 25, 2001
6155482 Mail delivery signal kit and method of use Dec. 5, 2000
6119622 Indicator for delivery item collection receptacle Sep. 19, 2000
6065671 Roadside mailbox mail delivery signal May. 23, 2000
6053404 Mail signaling device Apr. 25, 2000
6028517 Status indicating system for indicating the deposit and withdrawal of items in a receptacle Feb. 22, 2000
5964401 Mail box indicator system Oct. 12, 1999
5927596 Mail box including a visual deposit indicator Jul. 27, 1999
5884838 Sliding mail box indicator Mar. 23, 1999
5865368 Mail delivered indicator apparatus and method Feb. 2, 1999
5816489 Mailbox with visual indicator Oct. 6, 1998
5769312 Mailbox having dual access closures and interlocked signalling means Jun. 23, 1998
5762264 Mail indicator Jun. 9, 1998
5660327 Mailbox delivered mail signal Aug. 26, 1997
5634589 Clamp on mail box delivery signal accessory Jun. 3, 1997
5588588 Signal device for use with a mailbox Dec. 31, 1996
5560540 Mailbox delivery signal device Oct. 1, 1996

1 2 3 4










 
 
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