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Patent US2940211A successfully refreshed from Google Patents.
US2940211A
Expired / Lapsed
US
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Toy block set
Assignee: Individual
•
Filing: 1957-04-30
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Granted: 1960-06-14
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Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Kelley Lionel George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:38
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/08; A63H33/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2031848A
Cited
US2545155A
Cited
US2661573A
Cited
US2747325A
Cited
US2770915A
Cited
US2800743A
Cited
US2838875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |