Patent US3062644A successfully refreshed from Google Patents.
US3062644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazo printing plates and method for the production thereof
Assignee: Azoplate Corp
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Filing: 1958-09-26
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Granted: 1962-11-06
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Sus Oskar
- 👤 Rebenstock August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:45
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/021; G03F7/0212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A PRESENSITIZED PRINTING PLATE COMPRISING A BASE MATERIAL HAVING DIRECTLY COATED THEREON A LAYER COMPRISING A POLYACRYLIC ACID AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THD DIAZONIUM CHLORIDE AND BROMIDE OF A 3-AMINO-CARBAZOLE..
Claim 2
Dependent Claim
35 words
A PRESENSITIZED PRINTING PLATE COMPRISING A BASE MATERIAL HAVING DIRECTLY COATED THEREON A LAYER COMPRISING A POLYACRYLIC ACID AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THD DIAZONIUM CHLORIDE AND BROMIDE OF A 3-AMINO-CARBAZOLE..
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |