US3089956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray fluorescent screen
Assignee: Westinghouse Electric Corp
•
Filing: 1953-07-10
•
Granted: 1963-05-14
•
Expires: 1973-07-10
Abstract
No abstract record available.
Inventors
- 👤 Harper Walter John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:45
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/38; H01J29/385; G; G21; G21K; G21K4/00; H01J29/18; H01J29/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN AN IMAGE AMPLIFIER, AN INPUT SCREEN COMPRISING A FORAMINATED PLATE MEMBER OF INSULATING MATERIAL, SAID PLATE MEMBER HAVING A FORAMINATED SURFACE AND A NONFORAMINATED SURFACE, SAID PLATE MEMBER INCLUDING A THIN SEPTUM OF SAID INSULATING MATERIAL TRANSVERSES TO THE FORAMINATIONS THEREIN, A LAYER OF TRANSPARENT CONDUCTIVE
Claim 2
Dependent Claim
47 words
IN AN IMAGE AMPLIFIER, AN INPUT SCREEN COMPRISING A FORAMINATED PLATE MEMBER OF INSULATING MATERIAL, SAID PLATE MEMBER HAVING A FORAMINATED SURFACE AND A NONFORAMINATED SURFACE, SAID PLATE MEMBER INCLUDING A THIN SEPTUM OF SAID INSULATING MATERIAL TRANSVERSES TO THE FORAMINATIONS THEREIN, A LAYER OF TRANSPARENT CONDUCTIVE
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |