Patent US2450125A successfully refreshed from Google Patents.
US2450125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Game apparatus
Assignee: Individual
•
Filing: 1946-02-20
•
Granted: 1948-09-28
•
Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 Dunfee H Calvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:59
CPC Classifications
A; A63; A63B; A63B63/00; A63B57/00; A63B57/30; A63B57/357; A63B57/40; A63F; A63F7/00; A63F7/06; A63F7/0604; A63F7/0628; A63B2063/001; A63B69/00; A63B69/36; A63B69/3691; A63B71/00; A63B71/02; A63B71/022
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1540670A
Cited
US834581A
Cited
US1012820A
Cited
US1513978A
Cited
US1582237A
Cited
US1763243A
Cited
US1799263A
Cited
US1788708A
Cited
GB325441A
Cited
US1923152A
Cited
US2061973A
Cited
US2144439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |