US3089974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low dispersion interdigital delay lines
Assignee: Raytheon Co
•
Filing: 1959-12-18
•
Granted: 1963-05-14
•
Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
- 👤 Rudolf C Hergenrother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:01
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A TRAVELING WAVE ELECTRON DISCHARGE DEVICE THE COMBINATION COMPRISING: AN ELECTRON SOURCE AND ELECTRON BEAM FORMING MEANS DEFINING AT LEAST TWO PATHS OF ELECTRON FLOW, ONE ON EACH SIDE AT AN ELONGATE DELAY LINE COMPRISED OF GEOMETRICALLY PERIODIC STRUCTURE HAVING DELAY ELEMENTS DISPOSED IN COUPLING RELATIONSHIP WITH SAID PATH OF ELECTRON FLOW, EACH OF SAID DELAY ELEMENTS BEING COMPRISED OF TWO PORTIONS TRANSVERSE TO SAID PATH OF ELECTRON FLOW AND DISPLACED ONE FROM ANOTHER TO FORM AN ABRUPT STEP IN THE DIRECTION OF THE LONGITUDINAL AXIS OF SAID LINE, ONE PAIR OF OPPOSITELY DISPOSED PORTIONS OF ADJACENT DELAY ELEMENTS BEING DISPLACED TOWARD EACH OTHER WITH RESPECT TO THE OTHER PORTION OF SAID ADJACENT DELAY ELEMENTS.
Claim 2
Dependent Claim
116 words
IN A TRAVELING WAVE ELECTRON DISCHARGE DEVICE THE COMBINATION COMPRISING: AN ELECTRON SOURCE AND ELECTRON BEAM FORMING MEANS DEFINING AT LEAST TWO PATHS OF ELECTRON FLOW, ONE ON EACH SIDE AT AN ELONGATE DELAY LINE COMPRISED OF GEOMETRICALLY PERIODIC STRUCTURE HAVING DELAY ELEMENTS DISPOSED IN COUPLING RELATIONSHIP WITH SAID PATH OF ELECTRON FLOW, EACH OF SAID DELAY ELEMENTS BEING COMPRISED OF TWO PORTIONS TRANSVERSE TO SAID PATH OF ELECTRON FLOW AND DISPLACED ONE FROM ANOTHER TO FORM AN ABRUPT STEP IN THE DIRECTION OF THE LONGITUDINAL AXIS OF SAID LINE, ONE PAIR OF OPPOSITELY DISPOSED PORTIONS OF ADJACENT DELAY ELEMENTS BEING DISPLACED TOWARD EACH OTHER WITH RESPECT TO THE OTHER PORTION OF SAID ADJACENT DELAY 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) | 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 |