Patent US3044693A successfully refreshed from Google Patents.
US3044693A
Expired / Lapsed
US
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Match point duplicate bridge scorer
Assignee: Individual
•
Filing: 1957-10-21
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Granted: 1962-07-17
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Flam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
A; A63; A63F; A63F1/00; A63F1/06; A63F1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079437A
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US2377783A
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US2564920A
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US2484113A
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US2420607A
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US2537732A
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US2698053A
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US2650024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |