US3015747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent screen
Assignee: Westinghouse Electric Corp
•
Filing: 1959-06-19
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Granted: 1962-01-02
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Expires: 1979-06-19
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A COLOR IMAGING SCREEN COMPRISING A PLURALITY OF CELL MEMBERS ARRANGED IN PARALLEL RELATIONSHIP, EACH OF SAID CELL MEMBERS INCLUDING A SOLUTION CAPABLE OF BEING TRANSFORMED A NON-FLUORSECENT TO A FLUORESCENT STATE UPON A CHANGE OF THE HYDROGEN ION CONCENTRATION OF SAID SOLUTION, EACH OF SAID CELLS HAVING A DIFFERENT CHARACTERISTIC EMISSION WAVELENGHT A SOURCE OF ELECTROMAGNETIC RADI-
Claim 2
Dependent Claim
58 words
A COLOR IMAGING SCREEN COMPRISING A PLURALITY OF CELL MEMBERS ARRANGED IN PARALLEL RELATIONSHIP, EACH OF SAID CELL MEMBERS INCLUDING A SOLUTION CAPABLE OF BEING TRANSFORMED A NON-FLUORSECENT TO A FLUORESCENT STATE UPON A CHANGE OF THE HYDROGEN ION CONCENTRATION OF SAID SOLUTION, EACH OF SAID CELLS HAVING A DIFFERENT CHARACTERISTIC EMISSION WAVELENGHT A SOURCE OF ELECTROMAGNETIC RADI-
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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |