Patent US3373382A successfully refreshed from Google Patents.
US3373382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delay line with recessed support to prevent shorting by metal sputtering
Assignee: Thales SA
•
Filing: 1963-07-12
•
Granted: 1968-03-12
•
Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
- 👤 Diamand Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:19
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/16; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN AN EVACUATED TUBE ELECTRON DISCHARGE DEVICE HAVING A DELAY LINE OF GEOMETRICALLY PERIODICAL STRUCTURE SUBJECT TO METAL SPUTTERING, SAID DELAY LINE COMPRISING AN INSULATING BASE, A SERIES OF SPACED METAL ELEMENTS FIXED ON SAID INSULATING BASE, AND A CONDUCTIVE SUPPORT FOR SAID BASE, SAID INSULATING BASE BEING PROVIDED WITH CUT-OUT PORTIONS IN THE SPACES BETWEEN SAID ELEMENTS SUFFICIENT TO BARE THE SURFACE OF SAID CONDUCTIVE SUPPORT WITHIN SAID SPACES AND CAUSE THE INSULATING BASE TO CONFORM SUBSTANTIALLY TO THE SHAPE OF THE SPACE METAL ELEMENTS.
Claim 2
Dependent Claim
86 words
IN AN EVACUATED TUBE ELECTRON DISCHARGE DEVICE HAVING A DELAY LINE OF GEOMETRICALLY PERIODICAL STRUCTURE SUBJECT TO METAL SPUTTERING, SAID DELAY LINE COMPRISING AN INSULATING BASE, A SERIES OF SPACED METAL ELEMENTS FIXED ON SAID INSULATING BASE, AND A CONDUCTIVE SUPPORT FOR SAID BASE, SAID INSULATING BASE BEING PROVIDED WITH CUT-OUT PORTIONS IN THE SPACES BETWEEN SAID ELEMENTS SUFFICIENT TO BARE THE SURFACE OF SAID CONDUCTIVE SUPPORT WITHIN SAID SPACES AND CAUSE THE INSULATING BASE TO CONFORM SUBSTANTIALLY TO THE SHAPE OF THE SPACE METAL ELEMENTS.
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |