Patent US3608233A successfully refreshed from Google Patents.
US3608233A
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US
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Toy construction set
Assignee: Tomy Kogyo Co Ltd
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Filing: 1970-07-22
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Granted: 1971-09-28
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Expires: 1990-07-22
Abstract
Abstract A TOY CONSTRUCTION SET WHICH COMPRISES A VARIETY OF CONSTRUCTION ELEMENTS ADAPTED TO BE ASSEMBLED INTO A TOY ASSEMBLY OF THE DESIRED TYPE HAVING A STATIONARY PORTION AND AN OPERATIVE PORTION. THE CONSTRUCTION ELEMENTS INCLUDE MAGNET-EQUIPED ELEMENTS ADAPTED TO BE MAGNETICALLY HELD ON A MAGNETIZABLE SURFACE IN ASSEMBLED RELATION- SHIP. THE MAGNET-EQUIPPED ELEMENTS INCLUDE A POWER MEANS FOR OPERATING THE OPERATIVE PORTION OF THE TOY TO BE ASSEMBLED.
Inventors
- 👤 Masaru Aoki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:44
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/042
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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |