Patent US3012736A successfully refreshed from Google Patents.
US3012736A
Expired / Lapsed
US
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Automatic line-retrieving device
Assignee: Individual
•
Filing: 1960-03-07
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Granted: 1961-12-12
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Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Louis W Brust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:34
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US913799A
Cited
US1679178A
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US2172907A
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US2159223A
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US2249114A
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US2391141A
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US2572856A
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US2602605A
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US2808632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |