Patent US2018626A successfully refreshed from Google Patents.
Patent US4017080A successfully refreshed from Google Patents.
US4017080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arithmetic board game
Assignee: Individual
•
Filing: 1975-09-17
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Granted: 1977-04-12
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Expires: 1995-09-17
Abstract
Abstract A competitive board game in which two playing boards are used and a set of 117 tiles for placement upon the playing boards, the playing boards having spaces where the tiles are to be placed, some of the tiles having arithmetic addition, subtraction, multiplication and division symbols while other of the tiles have the numerical digits, the game using arithmetic so to be played.
Inventors
- 👤 Richard W. Severson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:34
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/04; A63F3/0415
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
239 words
In an arithmetic board game, the combination of a pair of playing boards, and a plurality of one hundred and seventeen tiles of numerical value for being placed upon said playing boards, and said game additionally including a plurality of multiplication, division, addition and subtraction symbol tiles for use together with said numerical digit tiles, each of said playing boards comprising a flat panel having a plurality of square spaces imprinted thereupon, said spaces each being of a same size as said tiles, and said spaces being arranged in horizontal and vertical rows, a double line between each two said horizontal rows of said spaces, said playing board additionally including an example of playing the game for serving as a guide to players, said playing board additionally including a multiplication table imprinted thereupon and also a table indicating a quantity of each numbered tiles, said arithmetic symbol tiles comprising a plurality of yellow tiles having a plus sign on one side and a multiplication sign upon its other side while a remainder of said arithmetic symbol tiles are pink and have a subtraction sign on one side and a division sign upon its other side, and said game additionally including a rack of transverse L-shaped configuration for each player and upon which said tiles can be stored in an upright position hidden behind an upright wall of said rack so an opponent player is prevented from seeing said tiles.
Claim 2
Dependent Claim
239 words
In an arithmetic board game, the combination of a pair of playing boards, and a plurality of one hundred and seventeen tiles of numerical value for being placed upon said playing boards, and said game additionally including a plurality of multiplication, division, addition and subtraction symbol tiles for use together with said numerical digit tiles, each of said playing boards comprising a flat panel having a plurality of square spaces imprinted thereupon, said spaces each being of a same size as said tiles, and said spaces being arranged in horizontal and vertical rows, a double line between each two said horizontal rows of said spaces, said playing board additionally including an example of playing the game for serving as a guide to players, said playing board additionally including a multiplication table imprinted thereupon and also a table indicating a quantity of each numbered tiles, said arithmetic symbol tiles comprising a plurality of yellow tiles having a plus sign on one side and a multiplication sign upon its other side while a remainder of said arithmetic symbol tiles are pink and have a subtraction sign on one side and a division sign upon its other side, and said game additionally including a rack of transverse L-shaped configuration for each player and upon which said tiles can be stored in an upright position hidden behind an upright wall of said rack so an opponent player is prevented from seeing said tiles.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-11 | 1980-10-11 | 1981-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-11 | 1984-10-11 | 1985-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-11 | 1988-10-11 | 1989-04-12 | $7700.00 | Window Closed / Lapsed |