Patent US3334264A successfully refreshed from Google Patents.
US3334264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam focusing magnet system
Assignee: General Electric Co
•
Filing: 1963-07-01
•
Granted: 1967-08-01
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Karl B Niclas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:48
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/08; H01J23/087; H01J23/0873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A TRAVELING WAVE TUBE HAVING MEANS FOR ESTABLISHING A FLOW OF ELECTRONS BETWEEN AN ELECTRON GUN AND AN ELECTRON COLLECTOR, A MAGNET SYSTEM FOR MAINTAINING SAID ELECTRONS IN A BEAM ALONG THE PATH BETWEEN SAID GUN AND SAID COLLECTOR COMPRISING, THE COMBINATION OF: A PAIR OF HOLLOW CYLINDRICAL MAIN MAGNETS POSITIONED END-TO-END AND COAXIAL OF SAID PATH, ADJACENT ENDS OF SAID MAIN MAGNETS BEING OF LIKE MAGNETIC POLARITY WHEREBY THE AXIAL MAGNETIC FIELD ALONG SAID PATH REVERSES DIRECTION IN THE REGION OF THE ADJACENT ENDS OF SAID MAIN MAGNETS; AND A MAGNETICALLY PERMEABLE ANNULAR POLE PIECE AXIALLY ALIGNED WITH SAID PATH AND SEPARATING SAID ADJACENT ENDS OF SAID MAIN MAGNETS, SAID POLE PIECE HAVING AN OUTSIDE DIAMETER GREATER THAN THE OUTSIDE DIAMETER OF SAID ADJACENT ENDS OF SAID MAIN MAGNETS FOR DEFLECTING THE FRINGING FIELD OF EACH MAIN MAGNET FROM THE REGION OF THE AXIAL FIELD OF THE OTHER MAIN MAGNET. .
Claim 2
Dependent Claim
153 words
IN A TRAVELING WAVE TUBE HAVING MEANS FOR ESTABLISHING A FLOW OF ELECTRONS BETWEEN AN ELECTRON GUN AND AN ELECTRON COLLECTOR, A MAGNET SYSTEM FOR MAINTAINING SAID ELECTRONS IN A BEAM ALONG THE PATH BETWEEN SAID GUN AND SAID COLLECTOR COMPRISING, THE COMBINATION OF: A PAIR OF HOLLOW CYLINDRICAL MAIN MAGNETS POSITIONED END-TO-END AND COAXIAL OF SAID PATH, ADJACENT ENDS OF SAID MAIN MAGNETS BEING OF LIKE MAGNETIC POLARITY WHEREBY THE AXIAL MAGNETIC FIELD ALONG SAID PATH REVERSES DIRECTION IN THE REGION OF THE ADJACENT ENDS OF SAID MAIN MAGNETS; AND A MAGNETICALLY PERMEABLE ANNULAR POLE PIECE AXIALLY ALIGNED WITH SAID PATH AND SEPARATING SAID ADJACENT ENDS OF SAID MAIN MAGNETS, SAID POLE PIECE HAVING AN OUTSIDE DIAMETER GREATER THAN THE OUTSIDE DIAMETER OF SAID ADJACENT ENDS OF SAID MAIN MAGNETS FOR DEFLECTING THE FRINGING FIELD OF EACH MAIN MAGNET FROM THE REGION OF THE AXIAL FIELD OF THE OTHER MAIN MAGNET. .
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |