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US2984914A
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US
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Chess training aid and solitaire playing device
Assignee: GALLANT KNIGHT Inc
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Filing: 1960-04-19
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Granted: 1961-05-23
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Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 Morton B Feigen
- 👤 John H Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:10
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/00895; G; G09; G09B; G09B19/00; G09B19/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2112983A
Cited
US2223125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |