US2522133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravity type rolling ball game device
Assignee: Individual
•
Filing: 1944-05-18
•
Granted: 1950-09-12
•
Expires: 1964-05-18
Abstract
No abstract record available.
Inventors
- 👤 Walter J Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/22; A63F7/24; A63F7/2409; A63F7/36; A63F7/3622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US409806A
Cited
US1313660A
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US1350384A
Cited
US1449565A
Cited
US1577363A
Cited
US1769327A
Cited
US1826215A
Cited
US1770018A
Cited
US2239030A
Cited
US2322155A
Cited
US2426915A
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 |