Patent US3700242A successfully refreshed from Google Patents.
US3700242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chess game apparatus
Assignee: Individual
•
Filing: 1970-08-05
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Granted: 1972-10-24
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Expires: 1990-08-05
Abstract
Abstract A zonal chess game comprising a center board containing 64 squares and two generally triangular boards, each containing 20 additional squares, at opposite ends of the center board; and two conventional sets of playing pieces with two extra pawns in each set.
Inventors
- 👤 Bernard Sterler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:52
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/00173; A63F3/00176
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
28 words
A game board having the peripheral configuration shown in FIG. 1 of the drawings and having on its surface the checkered game pattern shown in said FIG. 1.
Claim 2
Dependent Claim
28 words
A game board having the peripheral configuration shown in FIG. 1 of the drawings and having on its surface the checkered game pattern shown in said FIG. 1.
Claim 3
Dependent Claim
63 words
A game apparatus consisting of a board having the peripheral configuration shown in FIG. 1 of the drawings and having on its surface the checkered game pattern shown in said FIG. 1; and two sets of chess pieces each consisting of 10 pawns, two rooks, two knights, two bishops, one queen and one king, said two sets of pieces being of different colors.
Claim 4
Dependent Claim
63 words
A game apparatus consisting of a board having the peripheral configuration shown in FIG. 1 of the drawings and having on its surface the checkered game pattern shown in said FIG. 1; and two sets of chess pieces each consisting of 10 pawns, two rooks, two knights, two bishops, one queen and one king, said two sets of pieces being of different colors.
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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |