US2773766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive material for photomechanical reproduction and process for the production of images
Assignee: Azoplate Corp
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Filing: 1953-12-07
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Granted: 1956-12-11
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Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Sus Oskar
- 👤 Moller Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:41
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/0045; G03F7/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PRESENSITIZED LITHOGRAPHIC PRINTING PLATE COMPRISING A FLEXIBLE SHEET-LIKE BASE OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, ZINC AND PAPERS COATED WITH A COATING COMPOSITION OCMPRISING MINERAL FILLER AND ADHESIVE, SAID BASE HAVING A HYDROPHILIC SURFACE, A THIN UNIFORM LAYER COATED ON SAID SURFACE OF A LIGHT SENSITIVE MATERIAL INCLUDING AN ORTHO-NITRO-FORMYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORTHONITRO-ALDEHYDES OF THE BENZENE AND NAPHTHALENE SERIES.
Claim 2
Dependent Claim
69 words
A PRESENSITIZED LITHOGRAPHIC PRINTING PLATE COMPRISING A FLEXIBLE SHEET-LIKE BASE OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, ZINC AND PAPERS COATED WITH A COATING COMPOSITION OCMPRISING MINERAL FILLER AND ADHESIVE, SAID BASE HAVING A HYDROPHILIC SURFACE, A THIN UNIFORM LAYER COATED ON SAID SURFACE OF A LIGHT SENSITIVE MATERIAL INCLUDING AN ORTHO-NITRO-FORMYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ORTHONITRO-ALDEHYDES OF THE BENZENE AND NAPHTHALENE SERIES.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |