Patent US2657931A successfully refreshed from Google Patents.
US2657931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Target baseball game
Assignee: Individual
•
Filing: 1951-03-29
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Granted: 1953-11-03
•
Expires: 1971-03-29
Abstract
No abstract record available.
Inventors
- 👤 Burrell Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:16
CPC Classifications
A; A63; A63B; A63B63/00; A63B24/00; A63B24/0021; A63B2024/0037; A63B2024/004; A63B69/00; A63B69/0002; A63B2069/0004; A63B2069/0006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1018409A
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US1523747A
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US1569727A
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US1788708A
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US2040228A
Cited
US2160425A
Cited
US2165147A
Cited
US2285782A
Cited
US2362513A
Cited
US2523773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |