US2959484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing art copy for relief or offset printing
Assignee: Individual
•
Filing: 1957-03-15
•
Granted: 1960-11-08
•
Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter S Marx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:54
CPC Classifications
G; G03; G03F; G03F5/00; G03F5/02; G03F5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR PRODUCING SCREENED NEGATIVES FROM WHICH PRINTING PLATES ARE MADE COMPRISING: APPLYING INK TO SELECTED DEPTHS OVER SYMMETRICALLY DISPOSED SEPARATED CUPS DEPRESSED BELOW A DATUM PLANE IN A SHEET ADAPTED TO PASS LIGHT AND MOUNDS ABOVE SAID DATUM PLANE IN CHECKERBOARD FASHION, THE TOP EDGES OF THE CUPS COINCIDING WITH THE BOTTOM EDGES OF THE MOUNDS AT THE DATUM PLANE, SO THAT THE INK IN THE CUPS FORMS SEPARATED DOTS, AND, WHEN THE DATUM PLANS IS REACHED, THE INK FROMS A CONTINUOUSLY CONNECTED AREA SURROUNDING THE MOUNDS, TO FORM A DESIRED PATTERN, AND EXPOSING A NEGATIVE TO A LIGHT SOURCE WITH SAID CUPS INTERPOSED BETWEEN THE NEGATIVE AND THE LIGHT.
Claim 2
Dependent Claim
112 words
A PROCESS FOR PRODUCING SCREENED NEGATIVES FROM WHICH PRINTING PLATES ARE MADE COMPRISING: APPLYING INK TO SELECTED DEPTHS OVER SYMMETRICALLY DISPOSED SEPARATED CUPS DEPRESSED BELOW A DATUM PLANE IN A SHEET ADAPTED TO PASS LIGHT AND MOUNDS ABOVE SAID DATUM PLANE IN CHECKERBOARD FASHION, THE TOP EDGES OF THE CUPS COINCIDING WITH THE BOTTOM EDGES OF THE MOUNDS AT THE DATUM PLANE, SO THAT THE INK IN THE CUPS FORMS SEPARATED DOTS, AND, WHEN THE DATUM PLANS IS REACHED, THE INK FROMS A CONTINUOUSLY CONNECTED AREA SURROUNDING THE MOUNDS, TO FORM A DESIRED PATTERN, AND EXPOSING A NEGATIVE TO A LIGHT SOURCE WITH SAID CUPS INTERPOSED BETWEEN THE NEGATIVE AND THE LIGHT.
References Cited (Backward Citations)
US1849036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |