US2631747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined container and toy building block
Assignee: Individual
•
Filing: 1948-12-28
•
Granted: 1953-03-17
•
Expires: 1968-12-28
Abstract
No abstract record available.
Inventors
- 👤 Harvey R Stolte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:47
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0209; B65D21/023; B65D21/0231; A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US769171A
Cited
US769615A
Cited
US880082A
Cited
US1737744A
Cited
GB481787A
Cited
US2463701A
Cited
US2471565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |