Patent US2668057A successfully refreshed from Google Patents.
US2668057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulated tennis game
Assignee: Individual
•
Filing: 1950-08-02
•
Granted: 1954-02-02
•
Expires: 1970-08-02
Abstract
No abstract record available.
Inventors
- 👤 Benjamin W Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:55
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/06; A63F7/0604; A63F7/0652; A63F7/22; A63F7/24; A63F7/2409; A63F7/249
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1662162A
Cited
FR680997A
Cited
FR753054A
Cited
GB416790A
Cited
GB420749A
Cited
US2019797A
Cited
FR787480A
Cited
US2167847A
Cited
GB505633A
Cited
US2215687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |