Patent US968805A successfully refreshed from Google Patents.
US968805A
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US
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Painter's extension-plank.
Assignee: Individual
•
Filing: 1909-01-16
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Granted: 1910-08-30
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Expires: 1929-01-16
Abstract
No abstract record available.
Inventors
- 👤 John Riikonen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:57
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/15; E04G1/152; E04G2001/157
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) | 1913-08-29 | 1914-02-28 | 1914-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-08-29 | 1918-02-28 | 1918-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-08-29 | 1922-02-28 | 1922-08-30 | $7700.00 | Window Closed / Lapsed |