Patent US2909798A successfully refreshed from Google Patents.
US2909798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain brushes
Assignee: Individual
•
Filing: 1957-07-22
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Granted: 1959-10-27
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Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 Marion William Woodrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:16
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0013; A46B11/002; A46B11/0041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US296945A
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US585447A
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US907850A
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US1264707A
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US1733144A
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US2143712A
Cited
US2582404A
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US2673362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |