Patent US1090855A successfully refreshed from Google Patents.
Patent US3129099A successfully refreshed from Google Patents.
US3129099A
Expired / Lapsed
US
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Method of gravure reproduction
Assignee: Art Color Printing Co
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Filing: 1958-11-12
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Granted: 1964-04-14
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Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 John G Consaul
- 👤 Velten Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:05
CPC Classifications
G; G03; G03F; G03F5/00; G03F5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
THE METHOD OF PRODUCING A GRAVURE RESIST FROM NONTRANSPARENT, REFLECTIVE COPY HAVING CONTINUOUS TONE AREAS AND OTHER AREAS OF UNIFORM REFLECTION DENSITY, SAID RESIST BEING ADAPTED FOR USE IN MAKING A GRAVURE PRINTING MEMBER WITH SAID RESIST IN CONTACT WITH SAID MEMBER, SAID METHOD COMPRISING EXPOSING SAID RESIST TO LIGHT REFLECTED BY SAID REFLECTIVE COPY FOR A TIME SUFFICENT TO PRODUCE AN IMAGE OF SAID COPY THEREON, WITH THE TONES OF THE CONTINUOUS TONE AREAS IN SUBSTANTIALLY THE SAME RELATION AS THE TONES OF THE CORRESPONDING AREAS ON SAID COPY, EXPOSING SAID RESIST TO LIGHT REFLECTED BY SAID COPY WITH THE CONTINUOUS TONE AREAS MASKED FOR A TIME SUFFICIENT TO PRODUCE AN IN-REGISTER, INCREASED DENSITY IMAGE OF SAID OTHER AREAS OF SAID COPY THEREON, AND EXPOSING SAID RESIST TO A UNIFORM LIGHT SOURCE WITH A LINE SCREEN MEANS TO PRODUCE A LINE SCREEN IMAGE THEREON AND ON THE AREAS THEREOF WHERE THE IMAGES OF BOTH THE CONTINUOUS TONE AND THE OTHER AREAS ARE PRODUCED.
Claim 2
Independent Claim
164 words
THE METHOD OF PRODUCING A GRAVURE RESIST FROM NONTRANSPARENT, REFLECTIVE COPY HAVING CONTINUOUS TONE AREAS AND OTHER AREAS OF UNIFORM REFLECTION DENSITY, SAID RESIST BEING ADAPTED FOR USE IN MAKING A GRAVURE PRINTING MEMBER WITH SAID RESIST IN CONTACT WITH SAID MEMBER, SAID METHOD COMPRISING EXPOSING SAID RESIST TO LIGHT REFLECTED BY SAID REFLECTIVE COPY FOR A TIME SUFFICENT TO PRODUCE AN IMAGE OF SAID COPY THEREON, WITH THE TONES OF THE CONTINUOUS TONE AREAS IN SUBSTANTIALLY THE SAME RELATION AS THE TONES OF THE CORRESPONDING AREAS ON SAID COPY, EXPOSING SAID RESIST TO LIGHT REFLECTED BY SAID COPY WITH THE CONTINUOUS TONE AREAS MASKED FOR A TIME SUFFICIENT TO PRODUCE AN IN-REGISTER, INCREASED DENSITY IMAGE OF SAID OTHER AREAS OF SAID COPY THEREON, AND EXPOSING SAID RESIST TO A UNIFORM LIGHT SOURCE WITH A LINE SCREEN MEANS TO PRODUCE A LINE SCREEN IMAGE THEREON AND ON THE AREAS THEREOF WHERE THE IMAGES OF BOTH THE CONTINUOUS TONE AND THE OTHER AREAS ARE PRODUCED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |