US2547834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reservoir handle for fountain brush having piston means for filling and dispensing
Assignee: Individual
•
Filing: 1945-05-01
•
Granted: 1951-04-03
•
Expires: 1965-05-01
Abstract
No abstract record available.
Inventors
- 👤 Ludwig F Perwas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:34
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/002; A46B11/0058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1711516A
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US2041605A
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US1913466A
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US2208013A
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US2272641A
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US2294285A
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US2305158A
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US2318635A
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US2328048A
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US2317111A
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US2370626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |