US3180733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Naphthoquinone diazide lithographic material and process of making printing plates therewith
Assignee: Azoplate Corp
•
Filing: 1963-07-29
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Granted: 1965-04-27
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Endermann Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:21
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022; C; C07; C07C; C07C309/00; C07C309/63; C07C309/72; C07C309/76
Claims Analysis
Total Claims: 2
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
Claim 2
Dependent 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |