US3061429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazo printing plates and method for the production thereof
Assignee: Azoplate Corp
•
Filing: 1958-01-16
•
Granted: 1962-10-30
•
Expires: 1978-01-16
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Rebenstock August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/021; G03F7/0212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PRESENSITIZED PRINTING PLATE COMPRISING A HYDROPHILIC BASE MATERIAL HAVING DIRECTLY COATED THEREON A LAYER COMPRISING A POLYACRYLIC ACID AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE DIAZONIUM CHLO-RIDE AND BROMIDE FOR A P-AMINO-DIPHENYLAMINE.
Claim 2
Dependent Claim
36 words
A PRESENSITIZED PRINTING PLATE COMPRISING A HYDROPHILIC BASE MATERIAL HAVING DIRECTLY COATED THEREON A LAYER COMPRISING A POLYACRYLIC ACID AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE DIAZONIUM CHLO-RIDE AND BROMIDE FOR A P-AMINO-DIPHENYLAMINE.
References Cited (Backward Citations)
US2063631A
Cited
US2667415A
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US2649373A
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US2687958A
Cited
US2720467A
Cited
US2760431A
Cited
US2937085A
Cited
US2772974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |