Patent US1742444A successfully refreshed from Google Patents.
Patent US6524326B1 successfully refreshed from Google Patents.
Patent US3145156A successfully refreshed from Google Patents.
US3145156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophoretic printing
Assignee: Carters Ink Co
•
Filing: 1961-11-15
•
Granted: 1964-08-18
•
Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Oster Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:42
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/06; B; B41; B41M; B41M5/00; B41M5/20; C; C25; C25D; C25D13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF PRINTING BY THE ELECTROPHORETIC TRANSFER OF MATERIAL, WHICH COMPRISES PROVIDING A SOURCE SHEET HAVING AT ONE SURFACE A FLUID PHASE CONTAINING RELATIVELY CHARGED MOBILE PARTICLES OF A DETECTABLE MATERIAL CAPABLE OF ELECTROPHORETIC TRANSFER AND RECIPIENT SHEET HAVING AT ONE SURFACE A CONTIGUOUS FLUID PHASE IN SURFACE-TO-SURFACE CONTACT WITH SAID ONE SURFACE OF SAID SOURCE SHEET, AND ESTABLISHING AN ELECTRICAL FIELD EFFECTIVE TO ESTABLISH ELECTROPHORETIC MIGRATION ACROSS SAID SHEETS TO CAUSE SAID CHARGED MATERIAL TO TRANSFER FROM AN ORIGIN WITHIN SAID SOURCE SHEET TO A DESTINATION WITHIN SAID RECIPIENT SHEET, THE CHARGE OF SAID MATERIAL BEING UNALTERED BETWEEN SAID ORIGIN AND SAID DESTINATION, SAID MATERIAL DEFINING A PREDETERMINED FIGURE WHICH IS TRANSFERRED TO SAID RECIPIENT SHEET AND FORMS AN IMAGE THEREON INDEPENDENTLY OF ANY ELECTROLYTIC PROCESS.
Claim 2
Independent Claim
128 words
THE METHOD OF PRINTING BY THE ELECTROPHORETIC TRANSFER OF MATERIAL, WHICH COMPRISES PROVIDING A SOURCE SHEET HAVING AT ONE SURFACE A FLUID PHASE CONTAINING RELATIVELY CHARGED MOBILE PARTICLES OF A DETECTABLE MATERIAL CAPABLE OF ELECTROPHORETIC TRANSFER AND RECIPIENT SHEET HAVING AT ONE SURFACE A CONTIGUOUS FLUID PHASE IN SURFACE-TO-SURFACE CONTACT WITH SAID ONE SURFACE OF SAID SOURCE SHEET, AND ESTABLISHING AN ELECTRICAL FIELD EFFECTIVE TO ESTABLISH ELECTROPHORETIC MIGRATION ACROSS SAID SHEETS TO CAUSE SAID CHARGED MATERIAL TO TRANSFER FROM AN ORIGIN WITHIN SAID SOURCE SHEET TO A DESTINATION WITHIN SAID RECIPIENT SHEET, THE CHARGE OF SAID MATERIAL BEING UNALTERED BETWEEN SAID ORIGIN AND SAID DESTINATION, SAID MATERIAL DEFINING A PREDETERMINED FIGURE WHICH IS TRANSFERRED TO SAID RECIPIENT SHEET AND FORMS AN IMAGE THEREON INDEPENDENTLY OF ANY ELECTROLYTIC PROCESS.
References Cited (Backward Citations)
DE317444C
Cited
US2306082A
Cited
US2421735A
Cited
US2567362A
Cited
GB609155A
Cited
US2888392A
Cited
US3010883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |