US2476194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Educational toy
Assignee: Individual
•
Filing: 1948-04-26
•
Granted: 1949-07-12
•
Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 Dorothy M Hollowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:18
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/08; A63F9/0803; A63F9/0811; A63F2009/0815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US384959A
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US407374A
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US472419A
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US1335126A
Cited
US1391986A
Cited
US1636371A
Cited
US1694405A
Cited
US1995154A
Cited
US2014675A
Cited
US2411717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |