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US2885810A
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Method and means for etching rollers
Assignee: ROEHLEN ENGRAVING WORKS Inc
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Filing: 1957-01-22
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Granted: 1959-05-12
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kauschka Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:25
CPC Classifications
C; C23; C23F; C23F1/00; C23F1/08; C25; C25F; C25F3/00; C25F3/02
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |