US2521775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Word game apparatus
Assignee: Individual
•
Filing: 1945-12-26
•
Granted: 1950-09-12
•
Expires: 1965-12-26
Abstract
No abstract record available.
Inventors
- 👤 Brower Elbert Orson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:30
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/0098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US78296A
Cited
US569846A
Cited
US1168729A
Cited
US1100549A
Cited
US1270566A
Cited
US1383097A
Cited
US1528060A
Cited
AT100670B
Cited
US1542031A
Cited
US1561609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |