US2632649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inclined surface ball game
Assignee: Individual
•
Filing: 1949-11-17
•
Granted: 1953-03-24
•
Expires: 1969-11-17
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand R Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:00
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/0017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR767753A
Cited
US702088A
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US1163102A
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FR612322A
Cited
US2018833A
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US1942880A
Cited
FR764352A
Cited
FR771772A
Cited
US2008009A
Cited
US2134185A
Cited
US2467549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |