US3586610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a printing plate from a screenless pattern
Assignee: CHRISTOPH J A PETER
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Filing: 1968-09-26
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Granted: 1971-06-22
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Expires: 1988-09-26
Abstract
Abstract A PRINTING PLATE IS MADE IN THE FOLLOWING STEPS; FILLING THE SCREEN-LIKE ARRANGED DEPRESSIONS OF A METAL CYLINDER WITH AN ELECTRICALLY INSULATING MATERIAL, COATING THE ENTIRE CYLINDER WITH SILVER AND THEN WITH A COPYING LACQUER; REPRODUCING THE PATTERN ON THE LACQUER; REMOVING POR- TIONS OF THE LACQUER AND THEN THE SILVER COATING BENEATH THOSE PORTIONS ACCORDING TO THE PATTERN; NICKEL-PLATING THE CYLINDER AND REMOVING THE NICKEL SHELL THEREFROM.
Inventors
- 👤 Christoph J A Peter
- 👤 Peter Wilhelm Patze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:42
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/14; B41C1/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |