Conjuring tool for performing card trick
US6857963B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 20, 2004 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Apr 20, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63J21/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
In order to provide a conjuring tool which is simple in construction and operation, there is provided a conjuring tool for performing a card trick wherein a recessed accommodating portion 32 for accommodating therein a note or card that is inserted thereinto from the outside of the conjuring tool is formed in the interior of the conjuring tool, wherein there are provided an open window portion 12 for allowing the note or card that has been so inserted into the recessed accommodating portion 32 to be viewed from the outside of the conjuring tool via a special plate 20 that has an effect of making a viewer feel a certain degree of depth due to a three-dimensional pattern produced by a moire phenomenon and a film 33 disposed between the note or card so inserted and the special plate 20 and having transparent portions and non-transparent portions, and wherein the film 33 is arranged to move on the note or card.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.