Patent US3148983A successfully refreshed from Google Patents.
US3148983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive omicron-quinone diazides and the photomechanical preparation of printing plates therewith
Assignee: Azoplate Corp
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Filing: 1960-08-12
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Granted: 1964-09-15
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Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Endermann Fritz
- 👤 Neugebauer Wilhelm
- 👤 Reichel Maximilian Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:33
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
A PROCESS FOR MAKING A PRINTING PLATE WHICH COMPRISES EXPOSING A COATED BASE MATERIAL TO LIGHT UNDER A MASTER, THE COATING COMPRISING A COMPOUND HAVING THE FORMULA
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |