US3309630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slow wave line for electron discharge device
Assignee: Individual
•
Filing: 1965-06-29
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Granted: 1967-03-14
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Expires: 1985-06-29
Abstract
No abstract record available.
Inventors
- 👤 Hukunaga Takeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:19
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AN ELECTRON DISCHARGE DEVICE COMPRISING A DOUBLE CAVITY SLOW WAVE STRUCTURE IN THE FORM OF A STACK OF METALLIC DISK PARTITIONS OF SIMILAR PHYSICAL CONFIGURATION, MEANS FOR SUPPORTING SAID PARTITIONS AT THE PERIPHERIES THEREOF, EACH OF SAID PARTITIONS HAVING A PLURALITY OF COUPLING SLOTS, AND A PLURALITY OF ELECTRICAL CONDUCTING BODIES INTERCONNECTING SAID PARTITIONS, THE POINTS OF INTERCONNECTION BEING ADJACENT SAID COUPLING SLOTS, WHEREBY THE IMPROVED CHARACTERISTICS OF HIGHER Q, WIDER BAND-PASS AND HINGER IMPEDANCE OVER CONVENTIONAL STRUCTURES IN ACHIEVED.
Claim 2
Dependent Claim
80 words
AN ELECTRON DISCHARGE DEVICE COMPRISING A DOUBLE CAVITY SLOW WAVE STRUCTURE IN THE FORM OF A STACK OF METALLIC DISK PARTITIONS OF SIMILAR PHYSICAL CONFIGURATION, MEANS FOR SUPPORTING SAID PARTITIONS AT THE PERIPHERIES THEREOF, EACH OF SAID PARTITIONS HAVING A PLURALITY OF COUPLING SLOTS, AND A PLURALITY OF ELECTRICAL CONDUCTING BODIES INTERCONNECTING SAID PARTITIONS, THE POINTS OF INTERCONNECTION BEING ADJACENT SAID COUPLING SLOTS, WHEREBY THE IMPROVED CHARACTERISTICS OF HIGHER Q, WIDER BAND-PASS AND HINGER IMPEDANCE OVER CONVENTIONAL STRUCTURES IN ACHIEVED.
References Cited (Backward Citations)
US2637001A
Cited
CA668421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |