Patent US3148600A successfully refreshed from Google Patents.
US3148600A
Expired / Lapsed
US
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Combined plural carrier electrostatic printing and display system
Assignee: TDK Micronas GmbH
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Filing: 1960-01-13
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Granted: 1964-09-15
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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 20:21
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
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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) | 1967-09-15 | 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 |