Patent US3447804A successfully refreshed from Google Patents.
US3447804A
Expired / Lapsed
US
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Coding of bowling balls
Assignee: Brunswick Corp
•
Filing: 1965-07-23
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Granted: 1969-06-03
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Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 William D Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:15
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2515346A
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US2600918A
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US2990936A
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US3169765A
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US3105684A
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US3174751A
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US3309085A
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US3260349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |