Gambling chip

Patent 5895321 Issued on April 20, 1999. Estimated Expiration Date:

December 20, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

1935308

2410845

2450997

2836911

2983354

3295651

3439439

3670524

3766452

3926291

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Inventors

Assignee

Etablissements Bourgogne et Grasset

Application

No. 750800 filed on 12/20/1996

US Classes:

463/29, Access or authorization (e.g., game selection, security, etc.)40/27.5, Coin or token type273/148R, GAMES ACCESSORIES273/288, Game piece463/25Credit/debit monitoring or manipulation (e.g., game entry, betting, prize level, etc.)

Examiners

Primary: Layno, Benjamin H.

Attorney, Agent or Firm

Greenblum & Bernstein, P.L.C.

Foreign Patent References

6854690 AU. 07/12/1991
0147099 EP. 07/12/1985
0424355 EP. 04/12/1991
0436497 EP. 07/12/1991
0444373 EP. 09/12/1991
0564051 EP. 10/12/1993
0570784 EP. 11/12/1993
0570062 EP. 11/12/1993
0650148 EP. 04/12/1995
0646893 EP. 04/12/1995
0694872 EP. 01/12/1996
1001412 FR. 02/12/2012
2644268 FR. 09/12/1990
2656538 FR. 07/12/1991
2663145 FR. 12/12/1991
2554293 FR. 03/12/1995
2721733 FR. 12/12/1995
8909783 DE. 09/12/1990
9300173 DE. 03/12/1993
4311561 DE. 10/12/1994
29505951 DE. 06/12/1995
1599120 GB. 09/12/1981
2075732 GB. 11/12/1981
2077556 GB. 12/12/1981
2153128 GB. 08/12/1985
2180086 GB. 03/12/1987
8801082 WO. 02/12/1988
9221105 WO. 11/12/1992
9508164 WO. 03/12/1995
9614115 WO. 05/12/1996

International Class

A63F 009/24

Foreign Application Priority Data

1995-10-09 FR

Abstract

The gambling chip 10, having the general shape of a disc, includes two identical half-discs 11 and 12 in contact via axial spacing rings 21 and 22 respectively located on their internal faces. The half-discs 11 and 12 made of rigid plastic are fastened together by injection of a plastic seal 14 on the edge 35 of the chip into a peripheral annular region 16 lying between the two half-discs 11 and 12. The half-discs 11 and 12 have a central recess 26, 27 forming an internal central region 28 taking an electronic identification device 30 embedded in a wafer based on epoxy resin.