A63F 2003/00867
The playing piece having two characteristics
Official title: {The playing piece having two characteristics}
A63F2003/00867 (The playing piece having two characteristics) appears on 33 US grants and 46 published applications in this corpus.
Search patents in A63F- Granted patents
- 33
- Published applications
- 46
- Assignees
- 9
- Inventors
- 88
- Latest grant
- 1 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 2 | 5 |
| 2020 | 4 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of playing sudoku using a magnetic sudoku board with color-coded magnets to provide visual assistance1 Mar 2022US 11,260,282 B2
- Memory tic tac toe8 Feb 2022US 11,241,612 B1
- Dual-sided playing piece game apparatus and method of play7 Dec 2021US 11,192,020 B1
- Chess system and method of use29 Dec 2020US 10,874,935 B1
- Squirrel gathering nuts game apparatus and method22 Dec 2020US 10,870,048 B1
Most cited
By later US patents
- Two-sided playing piece game set51US 4,998,737 A1991
- Method of playing a three dice game26US 5,879,006 A1999
- Improved game board with pieces cooperating for rotation25US 4,512,584 AWestern Publishing Company, Inc. · 1985
- Pattern-formation strategy board game17US 4,645,209 A1987
- Math-chess and the method of playing it15US 5,171,018 A1992