US2548495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic racing game device
Assignee: Individual
•
Filing: 1947-07-09
•
Granted: 1951-04-10
•
Expires: 1967-07-09
Abstract
No abstract record available.
Inventors
- 👤 Russell L Robins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:15
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US339443A
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US588988A
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US1171972A
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US1533540A
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US1497382A
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US1553895A
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US1702291A
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FR650499A
Cited
US2103447A
Cited
US2133194A
Cited
US2188619A
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US2239395A
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US2254967A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |