Patent US4637613A successfully refreshed from Google Patents.
US4637613A
Expired / Lapsed
US
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Molded magnetic bingo chip
Assignee: BINGO EXPERIENCE/ARC (ASSOCIATION FOR RETARDED CITIZENS)
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Filing: 1983-10-25
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Granted: 1987-01-20
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Expires: 2003-10-25
Abstract
Abstract A bingo chip and method of manufacturing the same comprising a disk of see-through material having a slot formed therein, the slot being shaped to accept a structure of magnetic material. The structure of magnetic material being positioned within the slot and secured thereto. The transparent disk can have a concentric slot located on its outer periphery for the purpose of receiving a split ring of magnetic material. Alternatively, the disk can be provided with a ledge on which a ring of magnetic material is situated. After placing the ring on the ledge, a lip of overlying material on the disk is deformed over the top of the ring so as to permanently position it in place.
Inventors
- 👤 Kevin Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:56
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/06; A44; A44C; A44C21/00; A63F3/00173; A63F3/00574; A63F2003/0063; A63F3/00697; A63F2003/00886
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
89 words
A marker for playing bingo comprising a disk of transparent material having a predetermined axial thickness and having a peripheral edge, the disk having a concentrically located slot in its peripheral edge; and a split ring of magnetic material positioned within said slot and being concentric with the disk, the split ring having an axial thickness which is less than the predetermined axial thickness of the disk, and wherein the split ring has first and second ends which are turned inwardly to provide a biasing force against the disk.
Claim 2
Dependent Claim
89 words
A marker for playing bingo comprising a disk of transparent material having a predetermined axial thickness and having a peripheral edge, the disk having a concentrically located slot in its peripheral edge; and a split ring of magnetic material positioned within said slot and being concentric with the disk, the split ring having an axial thickness which is less than the predetermined axial thickness of the disk, and wherein the split ring has first and second ends which are turned inwardly to provide a biasing force against the disk.
Claim 3
Dependent Claim
36 words
The marker of claim 1 wherein the disk has a predetermined radius and the ring has a radial thickness which is selected so that the ring does not extend beyond the outer periphery of the disk.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-19 | 1990-07-21 | 1991-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-19 | 1994-07-21 | 1995-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-19 | 1998-07-21 | 1999-01-20 | $7700.00 | Window Closed / Lapsed |