US3837096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Math board
Assignee: Individual
•
Filing: 1973-02-12
•
Granted: 1974-09-24
•
Expires: 1993-02-12
Abstract
Abstract A math board for children of ages 2-7 having indentations of different colors to receive correspondingly colored Arabic numerals and having groups of indentations to receive correspondingly colored sets of marbles, golf tees, washers, and dowels, the numeral indentations further having golf tee indentations corresponding in number to the respective numerals, and the numerals having perforations therethrough registering with the golf tee indentations in the numerals. The math board herein is further characterized in that it comprises hinged together panels for folding to a size corresponding to the size of the compartmentalized tray in which the respective numerals, marbles, golf tees, washers and dowels are stored.
Inventors
- 👤 A Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:38
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
147 words
A math board comprising a board having a series of numeral iNdentations corresponding to a series of Arabic numerals, and a plurality of different groups of object indentations separate from said numeral indentations and wherein each group consists of object indentations corresponding in number to the numerical values of the respective numeral indentations; a set of Arabic numerals to fit in the numeral indentations and a plurality of sets of different objects which are adapted to be received in the respective plurality of groups of object indentations in said board; said numeral indentations being arranged in order of increasing numerical value, at least one of said groups of object indentations being arranged in order of increasing numbers of object indentations corresponding to the numerical value of said numeral indentations, and another of said groups of object indentations being arranged in reverse order relative to said one group.
Claim 2
Dependent Claim
147 words
A math board comprising a board having a series of numeral iNdentations corresponding to a series of Arabic numerals, and a plurality of different groups of object indentations separate from said numeral indentations and wherein each group consists of object indentations corresponding in number to the numerical values of the respective numeral indentations; a set of Arabic numerals to fit in the numeral indentations and a plurality of sets of different objects which are adapted to be received in the respective plurality of groups of object indentations in said board; said numeral indentations being arranged in order of increasing numerical value, at least one of said groups of object indentations being arranged in order of increasing numbers of object indentations corresponding to the numerical value of said numeral indentations, and another of said groups of object indentations being arranged in reverse order relative to said one group.
Claim 3
Dependent Claim
46 words
The math board of claim 1 wherein said numerals are of different colors and wherein said numeral indentations are of corresponding colors; and wherein said sets of different objects comprise corresponding numbers of colored objects having the same colors as the respective numerals and numeral indentations.
Claim 4
Dependent Claim
39 words
The math board of claim 1 wherein said numeral indentations have additional indentations in the bottoms thereof corresponding in number to the respective numeral indentations for receipt in such additional indentations the objects comprising one set of said objects.
Claim 5
Dependent Claim
37 words
The math board of claim 3 wherein said one set of objects are golf tees of which the small ends are adapted to be received in a corresponding group of indentations and also in said additional indentations.
Claim 6
Dependent Claim
43 words
The math board of claim 4 wherein said numerals have openings therein which when inserted in the respective numeral indentations register with such additional indentations whereby the small ends of said tees may be inserted through said numeral openings into said additional indentations.
Claim 7
Dependent Claim
34 words
The math board of claim 1 comprising hinged together sections of which one section has said numeral indentations therein and another section has said one group and said another group of object indentations therein.
Claim 8
Dependent Claim
51 words
The math board of claim 6 comprising an additional section hinged to one of said hinged together sections, and having another plurality of different groups of object indentations arranged respectively in order of increasing numbers of object indentations corresponding to the numerical value of said numeral indentations and in reverse order.
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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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |