Patent US1081053A successfully refreshed from Google Patents.
Patent US2968509A successfully refreshed from Google Patents.
US2968509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball retriever
Assignee: Individual
•
Filing: 1957-10-25
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Granted: 1961-01-17
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Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 John E Borah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:02
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/02; A63B53/00; A63B53/14; A63B60/00; A63B60/06; A63B60/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US435752A
Cited
US1298139A
Cited
US1429429A
Cited
US1842383A
Cited
US1830520A
Cited
US2177967A
Cited
US2637587A
Cited
US2750222A
Cited
US2819109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |