US4428582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for educational games
Assignee: Individual
•
Filing: 1981-09-23
•
Granted: 1984-01-31
•
Expires: 2001-09-23
Abstract
Abstract Apparatus is disclosed for the playing of a variety of educational games by players of all ages and skills. Cards or tiles are provided with numbers on one side and letters on the other.
Inventors
- 👤 William Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:43
CPC Classifications
A; A63; A63F; A63F1/00; A63F1/04; A63F2001/0491
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
163 words
Playing apparatus comprising a set of playing pieces, each said piece being generally flat and having a top and a bottom side, said top side bearing thereupon a letter indicium or indicia corresponding to one letter of an entire alphabet, but bearing no number, and said bottom side bearing thereupon a number indicium or indicia corresponding to one number from a fixed preselected set of numbers, but bearing no letter, and in which for each selection of one letter of said entire alphabet and one number from said set of numbers, there is one and only one playing piece in said set having said letter on its top side and said number on its bottom side, the number of pieces in said set of playing pieces therefore being equal to the number of letters in said entire alphabet multiplied by the number of numbers in said fixed preselected set of numbers, said number of numbers in said set being in excess of one.
Claim 2
Dependent Claim
163 words
Playing apparatus comprising a set of playing pieces, each said piece being generally flat and having a top and a bottom side, said top side bearing thereupon a letter indicium or indicia corresponding to one letter of an entire alphabet, but bearing no number, and said bottom side bearing thereupon a number indicium or indicia corresponding to one number from a fixed preselected set of numbers, but bearing no letter, and in which for each selection of one letter of said entire alphabet and one number from said set of numbers, there is one and only one playing piece in said set having said letter on its top side and said number on its bottom side, the number of pieces in said set of playing pieces therefore being equal to the number of letters in said entire alphabet multiplied by the number of numbers in said fixed preselected set of numbers, said number of numbers in said set being in excess of one.
Claim 3
Dependent Claim
14 words
The apparatus of claim 1 and in which said alphabet is the English alphabet.
Claim 4
Dependent Claim
27 words
The apparatus of claim 1 in which said set of numbers consists of all the positive integers, from and including 1, up to some positive integer n.
Claim 5
Dependent Claim
27 words
The apparatus of claim 2 in which said set of numbers consists of all the positive integers, from and including 1, up to some positive integer n.
Claim 6
Dependent Claim
15 words
The apparatus of claim 4 in which n is less than or equal to 5.
Claim 7
Dependent Claim
16 words
The apparatus of claim 1 or claim 5 in which said playing pieces are playing cards.
Claim 8
Dependent Claim
129 words
The apparatus of claim 6 and in which said top side of each of said playing cards bears a principal letter indicium in the center of said top side and bears smaller letter indicia of the same letter in the upper left-hand and lower right-hand corners of said top side, one of said smaller letter indicia being rotated 180 degrees with respect to said principal letter indicium, and in which said bottom side of each of said playing cards bears a principal number indicium in the center of said bottom side, and bears smaller number indicia of the same number in the upper left-hand and lower right-hand corners of said bottom side, one of said smaller number indicia being rotated 180 degrees with respect to said principal number indicium.
References Cited (Backward Citations)
US622240A
Cited
US1107417A
Cited
US1109543A
Cited
US1191419A
Cited
US1188204A
Cited
US1557824A
Cited
US2042930A
Cited
US2574328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-30 | 1987-08-01 | 1988-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-30 | 1991-08-01 | 1992-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-30 | 1995-08-01 | 1996-01-31 | $7700.00 | Window Closed / Lapsed |