US3597259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making high resolution image devices
Assignee: Horizons Inc
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Filing: 1969-05-21
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Granted: 1971-08-03
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Expires: 1989-05-21
Abstract
Abstract THE PREPARATION OF PHOSPHORS SUCH AS THOSE BASED ON ZINC SULFIDE AND/OR CADMIUM SULFIDE IN THE FORM OF VERY FINE PARTICLES WHICH INCLUDE NOT ONLY THE SULFIDE BUT ALSO THE ACTIVATOR AND MINERALIZER REQUIRED TO MAKE THIS AN ACTIVE MATERIAL AND THE DEPOSITION OF SUCH AN ACTIVE MATERIAL FROM A CLEAR SOLUTION CONTAINING THE PHOSPHOR, MINERALIZER AND DOPANT NECESSARY TO COMPLETE AN ACTIVE MATERIAL, INTO THE PORES OF A SUITABLE SUBSTRATE, THEREBY PRODUCING THE ESSENTIAL ELEMENT FOR A HIGH RESOLUTION INFORMATION RETRIEVAL TRANSDUCER.
Inventors
- 👤 Eugene Wainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:37
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/0805; C09K11/0811
Claims Analysis
Total Claims: 0
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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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |