US3252104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
D.c. quadrupole structure for parametric amplifier
Assignee: AT&T Inc
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Filing: 1959-11-23
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Granted: 1966-05-17
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Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Eugene I Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:17
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ELECTRON DISCHARGE DEVICE COMPRISING MEANS FOR FORMING AND PROJECTING A CYLINDRICAL ELECTRON BEAM ALONG A PATH, MEANS FOR COLLECTING SAID BEAM, A PLURALITY OF ARRAYS OF CONDUCTIVE POLES, AXIALLY ARRANGED ALONG SAID PATH, EACH ARRAY SUBSTANTIALLY SURROUNDING A PORTION OF SAID BEAM, A SUBSTANTIAL LATERAL EXTENSION ON EACH OF SAID POLES, THE EXTENSIONS OF SUCCESSIVE POLES ALONG SAID PATH PROTRUDING IN OPPOSITE DIRECTIONS, A PLURALITY OF CONDUCTIVE RODS EACH BEING SUBSTANTIALLY PARALLEL WITH SAID PATH AND IN CONTACT WITH SUCCESSIVE ONES OF SAID EXTENSIONS, MEANS FOR PRODUCING OPPOSITE ELECTROSTATIC POLARITIES ON ADJACENT CONDUCTIVE RODS WHEREBY AN ELEC-
Claim 2
Dependent Claim
98 words
AN ELECTRON DISCHARGE DEVICE COMPRISING MEANS FOR FORMING AND PROJECTING A CYLINDRICAL ELECTRON BEAM ALONG A PATH, MEANS FOR COLLECTING SAID BEAM, A PLURALITY OF ARRAYS OF CONDUCTIVE POLES, AXIALLY ARRANGED ALONG SAID PATH, EACH ARRAY SUBSTANTIALLY SURROUNDING A PORTION OF SAID BEAM, A SUBSTANTIAL LATERAL EXTENSION ON EACH OF SAID POLES, THE EXTENSIONS OF SUCCESSIVE POLES ALONG SAID PATH PROTRUDING IN OPPOSITE DIRECTIONS, A PLURALITY OF CONDUCTIVE RODS EACH BEING SUBSTANTIALLY PARALLEL WITH SAID PATH AND IN CONTACT WITH SUCCESSIVE ONES OF SAID EXTENSIONS, MEANS FOR PRODUCING OPPOSITE ELECTROSTATIC POLARITIES ON ADJACENT CONDUCTIVE RODS WHEREBY AN ELEC-
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |