US3624955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc-shaped blocks with cylindrical projections and concentric walls
Assignee: Nintendo Playing Card Co Ltd
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Filing: 1969-02-06
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Granted: 1971-12-07
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Expires: 1989-02-06
Abstract
Abstract EACH BLOCK OF THE MUTURALLY COUPABLE ASSEMBLING TOY HAS A DISC BASE PLATE, ON ONE SIDE OF WHICH IS PROVIDED ONE OR MORE CYLINDRICAL WALLS PROJECTING VERTICALLY AND CONCENTRICALLY THEREFROM AND ON THE OTHER SIDE ARE PROVIDED PLURAL CYLINDRICAL PROJECTIONS. THE BLOCK OF ONE EMBODIMENT HAS A CYLINDRICAL OUTERMOST WALL AND THE BLOCK OF ANOTHER EMBODIMENT HAS A PARTIALLY CONICAL OUTERMOST WALL. THESE WALLS AND PROJECTIONS ARE ARRANGED AND CONSTRUCTED SO THAT AT LEAST SOME OF THE PROJECTIONS OF ONE BLOCK ARE FITTED BETWEEN THE WALLS OF ANOTHER BLOCK WHEN PILED ONE ON ANOTHER.
Inventors
- 👤 Takashi Matsubayashi
- 👤 Hirozo Matsubayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:29
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/08; A63H33/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |