US3366816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Target structure for image orthicon tube having a magnesium oxide film adjacent to a chromium coated collector screen
Assignee: United States Department of the Army
•
Filing: 1966-07-05
•
Granted: 1968-01-30
•
Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 George A Saum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:37
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/08; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
IN A CATHODE-RAY TUBE OF THE IMAGE ORTHICON TYPE, MEANS PROVIDING A THIN FILM PLANAR TARGET AND ASSOCIATED MESH ELECTRODE OF PLANAR FORM, MEANS FOR MOUNTING AND SUPPORTING SAID FILM TARGET AND MESH ELECTRODE COAXIALLY OF THE TUBE IN CLOSE SPACED PARALLEL RELATION TO A DISTANCE LESS THAN .006 INCH THROUGHOUT THE SPACE BETWEEN THEM, AND MEANS APPLIED TO SAID MESH ELECTRODE FOR CHANGING THE OVERALL THERMAL EXPANSION RATE AND PREVENTING DISTORTION OF SAID ELECTRODE DUE TO HEAT IN MANUFACTURE TO CONTACT AND DAMAGE SAID FILM TARGET WITH SAID CLOSE SPACING, WHEREBY THE EFFICIENCY OF OPERATION IS IMPROVED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |