US3222072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block puzzle
Assignee: Universal Research Corp
•
Filing: 1962-06-11
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Granted: 1965-12-07
•
Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Allen F Dreyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:07
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/08; A63F9/088
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
A BLOCK PUZZLE COMPRISING A PLURALITY OF BLOCKS ALL CONGRUENT WITH EACH OTHER AND IN THE SHAPE OF A REGULAR POLYHEDRON, AND AN ELONGATED ELASTIC STRING-LIKE ELEMENT EXTENDING BETWEEN TWO TERMINAL BLOCKS AND PASSING THROUGH THE REMAINDER OF THE BLOCKS, SAID ELASTIC STRINGLIKE ELEMENT BEING OF SUCH A LENGTH THAT IT NORMALLY HOLDS ALL ADJACENT BLOCKS TOGETHER WHILE LEAVING THEM FREE FOR RELATIVE ROTATION AROUND THE STRING-LIKE ELEMENT AS AN AXIS, THE FACES OF EACH BLOCKS BEING UNRELIEVED EXCEPT FOR THE FACES HAVING SAID ELASTIC STRING-LIKE ELEMENT EXTENDING THERETHROUGH WHEREBY ALL OF THE BLOCKS MAY BE ORIENTED INTO A REGULAR POLYHEDRON WITH ONLY SAID UNRELIEVED FACES OF SAID BLOCKS EXPOSED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |