US3086180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delay line for travelling wave tubes
Assignee: Thales SA
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Filing: 1959-02-17
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Granted: 1963-04-16
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Arnaud Jacques
- 👤 Epsztein Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:14
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A DELAY LINE STRUCTURE COMPRISING A RECTANGULAR METALLIC WAVE GUIDE HAVING TWO BROAD AND TWO NARROW WALLS, ONE OF THE BROAD WALLS BEING PROVIDED WITH A LONGITUDINAL SLOT IN THE MIDDLE THEREOF, AND A NUMBER OF IDENTICAL EQUIDISTANT METALLIC BARS DISPOSED OUTSIDE SAID WAVE GUIDE IN CLOSE, PARALLEL AND TRANSVERSE RELATIONSHIP TO SAID SLOTTED WALL, EACH OF SAID BARS BEING SUPPORTED IN THE MIDDLE THEREOF BY A METALLIC SUPPORT TRAVERSING SAID SLOT AND FIXED INSIDE THE WAVE GUIDE TO THE OTHER BROAD WALL THEREOF.
Claim 2
Dependent Claim
84 words
A DELAY LINE STRUCTURE COMPRISING A RECTANGULAR METALLIC WAVE GUIDE HAVING TWO BROAD AND TWO NARROW WALLS, ONE OF THE BROAD WALLS BEING PROVIDED WITH A LONGITUDINAL SLOT IN THE MIDDLE THEREOF, AND A NUMBER OF IDENTICAL EQUIDISTANT METALLIC BARS DISPOSED OUTSIDE SAID WAVE GUIDE IN CLOSE, PARALLEL AND TRANSVERSE RELATIONSHIP TO SAID SLOTTED WALL, EACH OF SAID BARS BEING SUPPORTED IN THE MIDDLE THEREOF BY A METALLIC SUPPORT TRAVERSING SAID SLOT AND FIXED INSIDE THE WAVE GUIDE TO THE OTHER BROAD WALL THEREOF.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |