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Class Information
Number: 40/621
Name: Card, picture, or sign exhibiting > Signs > Interchangeable > Fastener > Magnetic
Description: Device where the letters are magnetically attracted to this support.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8533985 Magnetic planning board with stackable, snap-to-grid, self-aligning items Sep. 17, 2013
8522464 Magnetic blocks with images thereon, systems and methods of making the same Sep. 3, 2013
8499480 Electrostatically mounted display system for magnetic tokens Aug. 6, 2013
8397411 Magnet-based mounting systems for frames Mar. 19, 2013
8146872 Display attachment apparatus Apr. 3, 2012
7944686 Disk device May. 17, 2011
7913438 Method for arranging and storing an in-progress page and article thereof Mar. 29, 2011
7806568 Interchangeable adornments for lighting fixtures, household apparatuses and fixtures and the like Oct. 5, 2010
7763332 Removable flexible magnetic accessory for vehicle exterior Jul. 27, 2010
7752782 Badge for displaying multiple and interchangeable pieces of information Jul. 13, 2010
7503136 Tack map Mar. 17, 2009
7373747 Display system May. 20, 2008
7246458 Message board assembly Jul. 24, 2007
7194828 Badge for displaying multiple and interchangeable pieces of information Mar. 27, 2007
6957507 Decorative magnet and casing Oct. 25, 2005
6836987 Magnetic list and method for making lists Jan. 4, 2005
6764732 Adhesive magnet receptive media Jul. 20, 2004
6722891 Magnetic drawing board apparatus Apr. 20, 2004
6643965 Magnetic alphanumeric display system Nov. 11, 2003
6484428 Double-sided magnet with graphical image on each side Nov. 26, 2002
6446372 Magnetic name plate assembly Sep. 10, 2002
6432520 Magnetic modifiable sign Aug. 13, 2002
6418651 Electronic labeling system Jul. 16, 2002
6416329 Writing device for practice in writing characters Jul. 9, 2002
6401373 Illuminated address display Jun. 11, 2002
6360464 Magnetic product display Mar. 26, 2002
6347469 Magnetic message display and method of selectively framing messages of same Feb. 19, 2002
6338214 Modular sign display Jan. 15, 2002
6217958 Ornamental device for hood of a car Apr. 17, 2001
6185850 Golf pairing apparatus and method of use Feb. 13, 2001
6182387 Magnetic menu board Feb. 6, 2001
6159577 Magnetic modifiable sign system Dec. 12, 2000
5930927 Apparatus for changeable display for louvered shutter Aug. 3, 1999
5852890 Magnetic modifiable sign system Dec. 29, 1998
5813154 Magnetic display format system for accomodation of alphanumeric character width difference Sep. 29, 1998
5799423 Magnetic calendar Sep. 1, 1998
5787622 Signboard Aug. 4, 1998
5771618 Safety apparatus for indicating the presence of a translucent medium Jun. 30, 1998
5740557 Magnetic image-display system for apparel Apr. 21, 1998
5737862 Portable sign Apr. 14, 1998
5704147 Magnetic letter boards and letters Jan. 6, 1998
5699631 Rotatable magnetic memory reminder device Dec. 23, 1997
5609788 Magnetic paint additive Mar. 11, 1997
5555660 Modular signage system Sep. 17, 1996
5495686 Decorative device with a smooth opaque magnetic surface for magnets Mar. 5, 1996
5428914 Modular signage system Jul. 4, 1995
5384999 Display panel having dual securement means Jan. 31, 1995
5369899 Magnetic name plate assembly Dec. 6, 1994
5358770 Device for releasably identifying objects Oct. 25, 1994
5337501 Interlocking means for magnetic alphanumeric characters Aug. 16, 1994

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