Patent US2547472A successfully refreshed from Google Patents.
US2547472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective printing device with roller platen
Assignee: Individual
•
Filing: 1945-02-05
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Granted: 1951-04-03
•
Expires: 1965-02-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Dunn
- 👤 Jetter Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:02
CPC Classifications
B; B41; B41L; B41L15/00; B41L15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US114032A
Cited
US1908060A
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US1188427A
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US1076613A
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US1835340A
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US1649021A
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US1726541A
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US1721104A
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US1796327A
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US1941667A
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US2102787A
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US2099482A
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US2296277A
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US2308907A
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US2277924A
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US2288149A
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US2359849A
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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) | 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 |