US3000134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy building blocks
Assignee: GUILD ARTS AND CRAFTS Inc
•
Filing: 1957-02-28
•
Granted: 1961-09-19
•
Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Marini Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:43
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB178591A
Cited
US2154749A
Cited
US2405643A
Cited
US2394702A
Cited
GB592876A
Cited
US2756893A
Cited
US2715794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |