Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 200/61.63
Name: Electricity: circuit makers and breakers > Special application > Actuated concurrently with operation or use of art device > Closure, closure operator or accessory > Letter slot or box
Description: Devices in which the closure member or closure operator is associated with a mail slot or receptacle.










Patents under this class:

Patent Number Title Of Patent Date Issued
7843340 Mail delivery alert system Nov. 30, 2010
7506796 Mail delivery notification device Mar. 24, 2009
7187285 System to detect mail in a mailbox Mar. 6, 2007
6831558 Mailbox operated signal device Dec. 14, 2004
6657142 Power switch apparatus Dec. 2, 2003
5898371 Box with detecting means Apr. 27, 1999
5664728 Mail box signal device Sep. 9, 1997
5440294 Mail delivery signal system Aug. 8, 1995
5382945 Mail slot alarm Jan. 17, 1995
5023595 Mail arrival signal system Jun. 11, 1991
4872210 Curbside mailbox signal Oct. 3, 1989
4651135 Mail detector Mar. 17, 1987
4287514 Mailbox announcer Sep. 1, 1981











 
 
  Recently Added Patents
Method for counting and segmenting viral particles in an image
Switchgear and method for operating switchgear
Performance apparatus, a method of controlling the performance apparatus and a program recording medium
Processes for producing polyunsaturated fatty acids in transgenic organisms
Battery-operated massager and soap dispensing wand
Etching method, etching apparatus, and computer-readable recording medium
Downhole telemetry system
  Randomly Featured Patents
Image forming apparatus and control method thereof
Portion of a shoe midsole
Semiconductor light emitting device, light emitting module, lighting apparatus, display element and manufacturing method of semiconductor light emitting device
Lid grip
Sulfonyloxy-biphenylcarboxylic ester derivatives which are intermediates
Process for the preparation of ketones by ozonolysis
D-class signal amplification circuit
Hydraulic system for electric lift trucks
Antibiotic-sensitive lactic acid bacteria strains
Absorbent breast pad