Patent US3407064A successfully refreshed from Google Patents.
US3407064A
Expired / Lapsed
US
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Electrophotographic offset master containing a coating of insolubilized polyacrylic acid and method of manufacture
Assignee: AB Dick Co
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Filing: 1965-04-01
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Granted: 1968-10-22
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Expires: 1985-04-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Bach
- 👤 Paul E Frasher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:47
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08; G; G03; G03G; G03G13/00; G03G13/26; G03G13/28; G03G5/00; G03G5/14; G03G5/147; G03G5/14708; G03G5/14713; G03G5/14717; G03G5/14734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |