Patent US2806239A successfully refreshed from Google Patents.
US2806239A
Expired / Lapsed
US
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Fountain brush with closure cap controlled valve
Assignee: Dupli Color Products Co
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Filing: 1953-07-08
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Granted: 1957-09-17
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Expires: 1973-07-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Wittnebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:16
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0013; A45; A45D; A45D34/00; A45D34/04; A45D34/042; A45D34/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2611915A
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CH268332A
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US2485494A
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US2686925A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |