Patent US3213787A successfully refreshed from Google Patents.
US3213787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous multicolor printing
Assignee: 3M Co
•
Filing: 1956-01-26
•
Granted: 1965-10-26
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Carl S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:01
CPC Classifications
G; G03; G03F; G03F5/00; G03F5/20; B; B41; B41M; B41M1/00; B41M1/14; B41M1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN ARTICLE HAVING A PRINTING SURFACE SUITABLE FOR ONEPASS MULTICOLOR INTAGLIO PRINTING WITH A PLURALITY OF MUTUALLY IMCOMPATIBLE LIQUID INKS, SAID PRINTING SURFACE COMPRISING INK-RECEIVING CAVITIES AND INTERVENING RIDGES, SAID RIDGES HAVING A COMMON SURFACE PLANE, SAID CAVITIES BEING ARRANGED IN A RECURRING PATTERN OF GROUPS OF CAVITIES, EACH GROUP INCLUDING, FOR EACH OF SAID INKS, AT LEAST ONE CAVITY WHICH IS WETTED SOLELY BY THAT ONE OF SAID INKS, THE VOLUME OF EACH CAVITY BEING IN ACCORDANCE WITH THE COLOR VALUE OF THE CORRESPONDING COLOR REQUIRED AT THE CORRESPONDING POINT IN THE PRINT.
Claim 2
Dependent Claim
91 words
IN ONE-PASS MULTICOLOR INTAGLIO PRINTING FROM A PRINTING SURFACE AS DEFINED IN CLAIM 3, THE STEPS COMPRISING: APPLYING TO SAID SURFACE AN EXCESS AMOUNT OF AN INK MIXTURE CONSISTING OF A NUMBER OF MUTUALLY INCOMPATIBLE LIQUID INKS EQUAL TO THE NUMBER OF DIFFERENT SPECIES OF ACTIVATED CAVITIES, EACH OF SAID INKS BEING CAPABLE OF WETTING A SINGLE SPECIES OF SAID ACTIVATED CAVITIES; REMOVING FROM SAID PRINTING SURFACE ALL INK IN EXCESS OF THAT REQUIRED TO FLL SAID CAVITIES; AND CONTEMPORANEOUSLY TRANSFERRING THE INKS REMAINING IN SAID CAVITIES TO AN INK-RECEPTIVE SURFACE.
References Cited (Backward Citations)
US1673060A
Cited
GB225015A
Cited
US1817435A
Cited
US1886597A
Cited
US2090704A
Cited
US2210923A
Cited
US2316708A
Cited
US2381753A
Cited
US2384857A
Cited
US2373060A
Cited
US2560881A
Cited
US2567963A
Cited
US2625734A
Cited
US2823146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |