US3472514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Word forming game apparatus comprising matching hexagonal board areas and playing pieces
Assignee: ERNEST C GREEN
•
Filing: 1967-05-16
•
Granted: 1969-10-14
•
Expires: 1987-05-16
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:55
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/04; A63F3/0423; G; G09; G09B; G09B17/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US485029A
Cited
US1591639A
Cited
US1631558A
Cited
GB430249A
Cited
US2757934A
Cited
FR1107303A
Cited
US3116927A
Cited
GB885340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |