US3614835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Educational toy construction kit
Assignee: Individual
•
Filing: 1969-09-02
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Granted: 1971-10-26
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Expires: 1989-09-02
Abstract
Abstract THE CONSTRUCTION KIT HAS A PLURALITY OF REGULAR POLYGONALLY SHAPED BASE AND SIDE PANELS RANGING FROM TRIANGLES TO DODECAGONS WHICH PANELS HAVE CONNECTING MEANS ADJACENT THEIR EDGES SO THAT CERTAIN COMBINATIONS OF PANELS MAY BE PLACED EDGE TO EDGE TO PRODUCE EITHER GEOMETRICALLY SYMMETRICAL FLAT PLATE STRUCTURES OR BOWL SHAPED OBJECTS, AND ACCORDINGLY A GROUP OF SIDE PANELS MAY BE SELECTIVELY AND SUCCESSIVELY APPLIED TO A SELECTED BASE PANEL TO PRODUCE VARIOUS SHAPED OBJECTS, AND BY SELECTING DIFFERENTIALY SHAPED BASE PANELS A LARGE NUMBER OF DIFFERENTLY SHAPED OBJECTS CAN BE OBTAINED BY EMPLOYING RELATIVELY FEW PANELS.
Inventors
- 👤 Macon D Rice
- 👤 Emil G Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:28
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/02; G09B23/04; F; F16; F16B; F16B5/00; F16B5/06; F16B5/0607; G09F; G09F7/00; G09F7/18; G09F2007/1847; Y; Y10; Y10S; Y10S52/00; Y10S52/10
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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |