Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 40/489
Name: Card, picture, or sign exhibiting > Changing exhibitor > Interchangeable plate
Description: Device comprising interchangeable letters, consisting of a frame provided with recesses within which charactered plates may be shifted or changed at will.










Sub-classes under this class:

Class Number Class Name Patents
40/490 Sliding 96


Patents under this class:

Patent Number Title Of Patent Date Issued
6578302 Sign assembly Jun. 17, 2003
6257536 Merchandise display device Jul. 10, 2001
6185850 Golf pairing apparatus and method of use Feb. 13, 2001
6041934 Portable scoring apparatus including carrying case Mar. 28, 2000
5737888 Versatile surround trim structure Apr. 14, 1998
5251570 Multipurpose scoreboard system Oct. 12, 1993
5016147 Flight desk with indicators May. 14, 1991
4884352 Changeable sign assembly Dec. 5, 1989
4831956 Tennis scoring apparatus May. 23, 1989
4791739 Price board Dec. 20, 1988
4760659 Display plate for a printed circuit board Aug. 2, 1988
4723368 Display mounting arrangement Feb. 9, 1988
4694596 Merchandise information tag with improved mounting portion Sep. 22, 1987
4691456 Container for storing a stack of pictures Sep. 8, 1987
4658525 Supervisory control panel board Apr. 21, 1987
4613128 3D display Sep. 23, 1986
4542051 Variable collage Sep. 17, 1985
4539766 Merchandise information tag Sep. 10, 1985
4537821 Merchandise information display tag with guide means Aug. 27, 1985
4530177 Sign with interchangeable characters Jul. 23, 1985
4505061 Graphic display Mar. 19, 1985
4500088 3D Display Feb. 19, 1985
4494658 Modular display for cigarette packs Jan. 22, 1985
4419838 Diagram board element Dec. 13, 1983
4413435 Picture viewer Nov. 8, 1983
4361828 Automotive communication Nov. 30, 1982
4330955 Point of purchase display device May. 25, 1982
4322903 Directory assembly Apr. 6, 1982
4258490 Price display board with tape pressing and locking means Mar. 31, 1981
4251936 Display board Feb. 24, 1981
4233768 Slide calculator Nov. 18, 1980
4177902 Display unit Dec. 11, 1979
4157531 Automobile emergency signal Jun. 5, 1979
4128955 Exhibiting device Dec. 12, 1978
4060929 Toy detective set Dec. 6, 1977











 
 
  Recently Added Patents
Fixing device, fixing device control method, and image forming apparatus
Method and apparatus of motion vector prediction with extended motion vector predictor
Mobile phone
Droplet generation and detection device, and droplet control device
Output queued switch with a parallel shared memory, and method of operating same
Ionization device, mass spectrometer including the ionization device, and image generation system including the ionization device
Container pack
  Randomly Featured Patents
Carbonate built laundry detergent composition containing a strontium salt
Process for purifying polymer
Combination device and electronic device utilizing the same
Presenting linked information in a CRM system
License plate frame
Distributed edge switching system for voice-over-packet multiservice network
Door hardware protection device
Insulative swimming suits for children
Lancet-integrated mounter and method of making the same
Surface expression of enzyme in gene directed prodrug therapy