Patent US3415007A successfully refreshed from Google Patents.
US3415007A
Expired / Lapsed
US
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Toy building set
Assignee: Individual
•
Filing: 1964-07-20
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Granted: 1968-12-10
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Howe August-Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:20
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/042; A63H33/06; A63H33/08; A63H33/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB110453A
Cited
US1329850A
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GB202983A
Cited
US1894061A
Cited
US2093341A
Cited
GB607376A
Cited
US2861388A
Cited
US2780028A
Cited
US2968118A
Cited
US3080674A
Cited
US3234683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |