US3522945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic game apparatus and method of using same
Assignee: Individual
•
Filing: 1967-06-19
•
Granted: 1970-08-04
•
Expires: 1987-06-19
Abstract
No abstract record available.
Inventors
- 👤 Heinz R Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:57
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/0088; A63F7/06; A63F7/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511774A
Cited
US2492423A
Cited
US2524546A
Cited
US2665912A
Cited
US2716028A
Cited
US2939709A
Cited
US3214171A
Cited
US3408072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |