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US3050304A
Expired / Lapsed
US
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Basketball practice device
Assignee: Individual
•
Filing: 1960-08-15
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Granted: 1962-08-21
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Expires: 1980-08-15
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hulsebus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:21
CPC Classifications
A; A63; A63B; A63B63/00; A63B63/08; A63B63/083; A63B71/00; A63B71/02; A63B71/023; A63B2071/025; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1767424A
Cited
US2707104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |