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US3638949A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite cube puzzle formed of numeral-bearing component cube groups

Assignee: Individual
•
Filing: 1969-12-05
•
Granted: 1972-02-01
•
Expires: 1989-12-05
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Abstract

Abstract A puzzle comprising a plurality of cube units several of which are interconnected into groups of cubes so that each group is capable of being assembled to form an overall cube, the exterior faces of each group having a designated numeral thereon so that the numerical total on the faces of adjacent cubes after being assembled is always the same along the several columns and rows of the six overall cube faces.

Inventors

  • 👤 Robert I Thompson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:45
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/12

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 133 words
A puzzle comprising a plurality of disconnected cube groups, each group comprising a plurality of connected cubes, said groups being capable of being assembled to form an overall cube, the improvement comprising the provision of a one of three different designated numerals on the exterior faces of each said cube of each said group in such a manner whereby, as an assembled overall cube, the numerical total on the faces of adjacent ones of said cubes is always the same along the several columns and rows of the exterior faces of said overall cube, the numerals on each of said overall cube exterior faces are disposed along the same direction, respectively, and the numerals adjacent one another on said cube faces in each of said rows and columns are different from one another.
Claim 2
Dependent Claim 133 words
A puzzle comprising a plurality of disconnected cube groups, each group comprising a plurality of connected cubes, said groups being capable of being assembled to form an overall cube, the improvement comprising the provision of a one of three different designated numerals on the exterior faces of each said cube of each said group in such a manner whereby, as an assembled overall cube, the numerical total on the faces of adjacent ones of said cubes is always the same along the several columns and rows of the exterior faces of said overall cube, the numerals on each of said overall cube exterior faces are disposed along the same direction, respectively, and the numerals adjacent one another on said cube faces in each of said rows and columns are different from one another.
Claim 3
Dependent Claim 39 words
The puzzle according to claim 1 wherein 26 of said plurality of cubes is provided so as to be arranged 3 X 3 X 3 into said overall cube thereby having the cubic center of said overall cube vacant.
Claim 4
Dependent Claim 26 words
The puzzle according to claim 2 wherein said three numerals are the numerals 1, 2 and 3 whereby said numerical total is always equal to 6.

References Cited (Backward Citations)

US487063A Cited
US1568576A Cited
GB420349A Cited
US3222072A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-31 1975-08-02 1976-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-31 1979-08-02 1980-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-31 1983-08-02 1984-02-01 $7700.00 Window Closed / Lapsed

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