Patent US3289658A successfully refreshed from Google Patents.
Patent US3716233A successfully refreshed from Google Patents.
US3716233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Game apparatus
Assignee: Individual
•
Filing: 1971-06-28
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Granted: 1973-02-13
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Expires: 1991-06-28
Abstract
Abstract A GAME APPARATUS PROVIDING A TEST OF MANUAL MANEUVERING SKILL COMPRISES A LIQUID FILLED CHAMBER DEFINED BY A TRANSPARENT SIDE WALL AND CLOSED OPPOSITE ENDS AND A TUBULAR RECEPTACLE MOUNTED ON AND EXTENDING FROM ONE END OF THE CHAMBER AND HAVING AN OPEN END IN FACING RELATION WITH THE OTHER END OF THE CHAMBER TO RECEIVE IN A SELECTED ORDER EACH OF A PLURALITY OF OBJECTS THEREIN AFTER TURNING THE CHAMBER END-FOR-END. THE OBJECTS EACH HAVE A DIFFERENT SPECIFIC GRAVITY AND THEREBY A DIFFERENT RATE OF FALL OR DOWNWARD MOVEMENT THROUGH THE CHAMBER.
Inventors
- 👤 D Koterwas
- 👤 T Koterwas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:30
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/04; A63F7/045; A63F2250/00; A63F2250/04; A63F2250/0407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |