US3099765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Travelling wave tube
Assignee: Siemens and Halske AG
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Filing: 1960-09-12
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Granted: 1963-07-30
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Meyerer Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:35
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/02; H01J23/08; H01J23/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A TRAVELLING WAVE TUBE HAVING A DELAY LINE COMPRISING A STACKED ASSEMBLY COMPOSED OF FIRST DISLIKE PLATES MADE OF MAGNETICALLY SOFT MATERIAL AND HAVING RESPECTIVELY A ROTATION-SYMMETRICAL INNER APERTURE FORMED THEREIN ALTERNATING WITH SECOND DISLIKE PLATES MADE OF NON-MAGNETIC MATERIAL AND HAVING RESPECTIVELY A ROTATION-ASYMMETRICAL INNER APERTURE FORMED THEREIN, EACH OF SAID SECOND PLATES HAVING A CENTRAL OPENING FORMED THEREIN, SAID OPENINGS FORMING IN THE ASSEMBLY A CENTRALLY
Claim 2
Dependent Claim
68 words
A TRAVELLING WAVE TUBE HAVING A DELAY LINE COMPRISING A STACKED ASSEMBLY COMPOSED OF FIRST DISLIKE PLATES MADE OF MAGNETICALLY SOFT MATERIAL AND HAVING RESPECTIVELY A ROTATION-SYMMETRICAL INNER APERTURE FORMED THEREIN ALTERNATING WITH SECOND DISLIKE PLATES MADE OF NON-MAGNETIC MATERIAL AND HAVING RESPECTIVELY A ROTATION-ASYMMETRICAL INNER APERTURE FORMED THEREIN, EACH OF SAID SECOND PLATES HAVING A CENTRAL OPENING FORMED THEREIN, SAID OPENINGS FORMING IN THE ASSEMBLY A CENTRALLY
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |