Patent US2521775A successfully refreshed from Google Patents.
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
2026-11-04 21:52
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/0098
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |