US3397890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Board game apparatus for simulating stock market operations
Assignee: Individual
•
Filing: 1964-06-02
•
Granted: 1968-08-20
•
Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Newton Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:53
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/00003; A63F3/00063; A63F3/00069; A63F3/00006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US731163A
Cited
US2088951A
Cited
US2210201A
Cited
US2484051A
Cited
US2673738A
Cited
US3050303A
Cited
US3222070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |