US3148600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined plural carrier electrostatic printing and display system
Assignee: TDK Micronas GmbH
•
Filing: 1960-01-13
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Granted: 1964-09-15
•
Expires: 1980-01-13
Abstract
No abstract record available.
Inventors
- 👤 George W Bain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:47
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/01; G03G15/0142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ELECTROSTATIC PRINTING DISPLAY SYSTEM COMPRISING A PLURALITY OF MOVABLE TRANSPARENT DIELECTRIC PRINTING MEDIUMS, A PLURALITY OF SOURCES OF INK IN THE FORM OF A POWDERED DIELECTRIC MATERIAL HAVING PREDETERMINED LIGHT TRANSMITTING CHARACTERISTICS, A PLURALITY OF ELECTROSTATIC PRINTING MEANS, EACH ONE OF SAID PRINTING MEANS EMPLOYED TO TRANSFER INK FROM A SEPARATE ONE OF SAID INK SOURCES TO SEPARATE PREDETERMINED AREAS ON THE SURFACE OF A SEPARATE ONE OF SAID PRINTING MEDIUMS, SAID SEPARATE PREDETERMINED AREAS
Claim 2
Dependent Claim
76 words
AN ELECTROSTATIC PRINTING DISPLAY SYSTEM COMPRISING A PLURALITY OF MOVABLE TRANSPARENT DIELECTRIC PRINTING MEDIUMS, A PLURALITY OF SOURCES OF INK IN THE FORM OF A POWDERED DIELECTRIC MATERIAL HAVING PREDETERMINED LIGHT TRANSMITTING CHARACTERISTICS, A PLURALITY OF ELECTROSTATIC PRINTING MEANS, EACH ONE OF SAID PRINTING MEANS EMPLOYED TO TRANSFER INK FROM A SEPARATE ONE OF SAID INK SOURCES TO SEPARATE PREDETERMINED AREAS ON THE SURFACE OF A SEPARATE ONE OF SAID PRINTING MEDIUMS, SAID SEPARATE PREDETERMINED AREAS
References Cited (Backward Citations)
GB723534A
Cited
US2393969A
Cited
US1169098A
Cited
US1760156A
Cited
US2143214A
Cited
US2123743A
Cited
US2286569A
Cited
US2167518A
Cited
US2289714A
Cited
US2343775A
Cited
US2454280A
Cited
US2501446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |