Patent US978643A successfully refreshed from Google Patents.
US978643A
Expired / Lapsed
US
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Appliance for oil preservation of piling in water.
Assignee: Individual
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Filing: 1908-10-28
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Granted: 1910-12-13
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Expires: 1928-10-28
Abstract
No abstract record available.
Inventors
- 👤 Olof Quist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:29
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-12-12 | 1914-06-13 | 1914-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-12-12 | 1918-06-13 | 1918-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-12-12 | 1922-06-13 | 1922-12-13 | $7700.00 | Window Closed / Lapsed |