Trademark Overview
On Tuesday, December 23, 2008, a trademark application was filed for INVISIBLE WALL with the United States Patent and Trademark Office. The USPTO has given the INVISIBLE WALL trademark a serial number of 77638914. The federal status of this trademark filing is ABANDONED - FAILURE TO RESPOND OR LATE RESPONSE as of Monday, October 19, 2009. This trademark is owned by Digital Spectre LLC. The INVISIBLE WALL trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:
The Invisible Wall is a stereoscopic viewing device designed for creating changeable virtual floor space for dioramas and applied to education and entertainment. Because stereoscopy creates the illusion of depth, the physical screen appears to disappear to create continuous space from the viewer to the yon clipping plane. The screen may be reflective or transmissive, polarization preserving or polarization ambivalent, Multiple projectors or a single projector may be used to project the image onto the wall, or the wall may be a self-emitting. Although referred to as a wall, the surface may be vertical, horizontal or at an angle to create the illusion desired. A typical example of the use of an Invisible Wall is to extend the visual floor space of a museum. In this case, a solid wall may be transformed into an apparent extension of the room by the use of stereoscopy. Since most projected imagery is driven by a computer video server, the contents of this virtual space can be changed at wi...
