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US3466038A
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Apparatus and method to selectively indicate ball positions
Assignee: GERARD T HILL
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Filing: 1967-07-20
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Granted: 1969-09-09
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Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Gerard T Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:57
CPC Classifications
A; A63; A63D; A63D15/00; A63D15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1215624A
Cited
US1648956A
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US2056985A
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US2894747A
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US2939709A
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US3120956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |