Patent US2887320A successfully refreshed from Google Patents.
US2887320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circle bowling game
Assignee: Individual
•
Filing: 1955-04-12
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Granted: 1959-05-19
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Gravelle
- 👤 Walter J Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:26
CPC Classifications
A; A63; A63D; A63D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1571503A
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US1650029A
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GB350679A
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Cited
US2454939A
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US2525881A
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US2630322A
Cited
US2775457A
Cited
US2662518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |