US3277455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ambient light control on electroluminescent segments
Assignee: Bendix Corp
•
Filing: 1964-02-06
•
Granted: 1966-10-04
•
Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Viret Andre
- 👤 Leroy J Ducharme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:13
CPC Classifications
H; H05; H05B; H05B33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A DISPLAY INDICATOR OF AN AIRCRAFT, THE COMBINATION COMPRISING A SERIES OF ALIGNED ELECTROLUMINESCENT SEGMENTS DEFINING A DIMENSIONAL SURFACE, MEANS OF SUPPORTING SAID ELECTROLUMINESCENT SEGMENTS IN A COLUMN, DIAL MEANS EXTENDING IN THE ADJACENT PLANE ALONG SAID ELECTROLUMINESCENT SEGMENTS TO PROVIDE A SCALE READING OF ENERGIZED ONES OF SAID ELECTROLUMINESCENT SEGMENTS, AND A MICROSCREEN IN FRONT OF SAID ELECTROLUMINESCENT SEGMENTS HAVING WALLS EXTENDING SUBSTANTIALLY PERPENDICULAR TO SAID ELECTROLUMINESCENT SEGMENTS FOR SHADING SAID ELECTROLUMINESCENT SEGMENTS FROM AMBIENT LIGHTING FOR BETTER READING.
Claim 2
Dependent Claim
81 words
IN A DISPLAY INDICATOR OF AN AIRCRAFT, THE COMBINATION COMPRISING A SERIES OF ALIGNED ELECTROLUMINESCENT SEGMENTS DEFINING A DIMENSIONAL SURFACE, MEANS OF SUPPORTING SAID ELECTROLUMINESCENT SEGMENTS IN A COLUMN, DIAL MEANS EXTENDING IN THE ADJACENT PLANE ALONG SAID ELECTROLUMINESCENT SEGMENTS TO PROVIDE A SCALE READING OF ENERGIZED ONES OF SAID ELECTROLUMINESCENT SEGMENTS, AND A MICROSCREEN IN FRONT OF SAID ELECTROLUMINESCENT SEGMENTS HAVING WALLS EXTENDING SUBSTANTIALLY PERPENDICULAR TO SAID ELECTROLUMINESCENT SEGMENTS FOR SHADING SAID ELECTROLUMINESCENT SEGMENTS FROM AMBIENT LIGHTING FOR BETTER READING.
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |