US3702723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented master character for electronic display apparatus
Assignee: American Microsystems Holding Corp
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Filing: 1971-04-23
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Granted: 1972-11-14
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Expires: 1991-04-23
Abstract
Abstract D R A W I N G AN IMPROVED HIGHLY READABLE CHARACTER COMPRISED OF SEGMENTS WHICH CAN BE ENERGIZED IN VARIOUS COMBINATIONS TO DEFINE EACH OF THE ARABIC NUMERALS IN AN ELECTRONIC DISPLAY APPARATUS. IN ONE EMBODIMENT SEVERAL CHARACTERS ARE FORMED AS THIN FILM CONDUCTIVE MEMBERS ON THE FRONT PLATE OF A LIQUID CRYSTAL DISPLAY APPARATUS.
Inventors
- 👤 Howard C Borden Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:53
CPC Classifications
G; G09; G09F; G09F9/00; G09F9/30; G09F9/35; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/134309; G02F1/134327; G09F9/302
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |