US2982031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy box composing elements for teaching purposes
Assignee: Individual
•
Filing: 1959-07-10
•
Granted: 1961-05-02
•
Expires: 1979-07-10
Abstract
No abstract record available.
Inventors
- 👤 Bardelli Roberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:39
CPC Classifications
G; G09; G09B; G09B1/00; G09B1/02; G09B1/04; G09B1/06; A; A63; A63F; A63F3/00; A63F3/04; A63F3/0423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US456708A
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US635182A
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US1204723A
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US1839558A
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US2294465A
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GB749444A
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US2831572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |