US3223419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic game apparatus
Assignee: Individual
•
Filing: 1963-05-15
•
Granted: 1965-12-14
•
Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Charles W Isaacs
- 👤 Wade Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:09
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A GAME COMPRISING A GAMEBOARD AND A LEAST TWO PERMANENT MAGNET PLAYING PIECES, THE GAMEBOARD HAVING A FRAME SUPPORTING AN UPPER PANEL,MEANS TO PROVIDE AN ELECTRICALLY CONDUCTIVE LOWER SURFACE OF THE UPPER PANEL, A PLURALITY OF ELECTRICALLY CONDUCTIVE MAGNETICALLY ATTRACTIVE SLUGS POSITIONED BELOW THE PANEL, EACH SLUG BEING CONNECTED TO A FLEXIBLE WIRE AND NORMALLY OCCUPYING A POSITION SPACED FROM THE LOWER SURFACE OF THE PANEL, THE WIRES BEING ELECTRICALLY CONDUCTIVE AND BEING PART OF AN ELECTRIC CIRCUIT INCLUDING THE SLUGS AND ALSO INCLUDING AN INDICATOR, A SOURCE OF ELECTRICAL ENERGY, AND THE ELECTRICALLY CONDUCTIVE UNDER SURFACE OF THE PANEL; THE PERMANENT MAGNETS ON THE PLAYING PIECES BEING OF SUFFICIENT STRENGTH TO ATTRACT A SLUG INTO CONTACT WIHT THE ELECTRICALLY CONDUCTIVE UNDER SURFACE OF THE PANEL TO CLOSE THE SAID ELECTRIC CIRCUIT WHEN SUCH PLAYING PIECE IS MOVED TO A POSITION DIRECTLY OVERLYING A SLUG.
Claim 2
Dependent Claim
145 words
A GAME COMPRISING A GAMEBOARD AND A LEAST TWO PERMANENT MAGNET PLAYING PIECES, THE GAMEBOARD HAVING A FRAME SUPPORTING AN UPPER PANEL,MEANS TO PROVIDE AN ELECTRICALLY CONDUCTIVE LOWER SURFACE OF THE UPPER PANEL, A PLURALITY OF ELECTRICALLY CONDUCTIVE MAGNETICALLY ATTRACTIVE SLUGS POSITIONED BELOW THE PANEL, EACH SLUG BEING CONNECTED TO A FLEXIBLE WIRE AND NORMALLY OCCUPYING A POSITION SPACED FROM THE LOWER SURFACE OF THE PANEL, THE WIRES BEING ELECTRICALLY CONDUCTIVE AND BEING PART OF AN ELECTRIC CIRCUIT INCLUDING THE SLUGS AND ALSO INCLUDING AN INDICATOR, A SOURCE OF ELECTRICAL ENERGY, AND THE ELECTRICALLY CONDUCTIVE UNDER SURFACE OF THE PANEL; THE PERMANENT MAGNETS ON THE PLAYING PIECES BEING OF SUFFICIENT STRENGTH TO ATTRACT A SLUG INTO CONTACT WIHT THE ELECTRICALLY CONDUCTIVE UNDER SURFACE OF THE PANEL TO CLOSE THE SAID ELECTRIC CIRCUIT WHEN SUCH PLAYING PIECE IS MOVED TO A POSITION DIRECTLY OVERLYING A SLUG.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |