US2482227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Educational game
Assignee: Individual
•
Filing: 1944-11-20
•
Granted: 1949-09-20
•
Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Towne Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:50
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/08; A63F9/0803; A63F3/00; A63F3/04; A63F3/0423; A63F9/12; A63F9/1252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US462997A
Cited
US556467A
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US777268A
Cited
US1230263A
Cited
US1406592A
Cited
US1593686A
Cited
US1815443A
Cited
US2129834A
Cited
US2213411A
Cited
US2361154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |