Patent US3127538A successfully refreshed from Google Patents.
US3127538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaged traveling wave electron discharge device having magnetic directing means
Assignee: Raytheon Co
•
Filing: 1953-11-30
•
Granted: 1964-03-31
•
Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Edward C Dench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:40
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A TRAVELING WAVE TUBE COMPRISING AN EVACUATED ENVELOPE CONTAINING THEREIN A PERIODIC SLOW WAVE ENERGY TRANSMISSION STRUCTURE FOR PROPAGATING ELECTROMAGNETIC WAVE ENERGY ALONG A PREDETERMINED PATH ADJACENT SAID STRUCTURE, AND SAID TUBE FURTHER INCLUDING A LEAD-IN ASSEMBLY EXTENDING FROM SAID STRUCTURE, A SOURCE OF ELECTRONS, DIRECTIVE MEANS INCLUDING MEANS FOR PRODUCING A MAGNETIC FIELD TRANSVERSE TO SAID PATH FOR DIRECTING SAID ELECTRONS FROM SAID SOURCE ADJACENT SAID PATH IN ENERGY COUPLING RELATIONSHIP WITH SAID WAVE ENERGY, SAID MAGNETIC FIELD PRODUCING MEANS SURROUNDING SAID TUBE ENVELOPE AND INCLUDING A CENTRALLY LOCATED APERTURE FOR RECEIVING SAID LEAD-IN ASSEMBLY OF SAID TUBE, SAID MAGNETIC FIELD PRODUCING MEANS FURTHER INCLUDING AT LEAST ONE REENTRANT ANNULAR PORTION MOUNTED IN SUBSTANTIAL ALIGNMENT WITH SAID PATH, AND MEANS FOR FIXEDLY MOUNTING SAID TUBE WITHIN SAID MAGNETIC FIELD PRODUCING MEANS.
Claim 2
Dependent Claim
132 words
A TRAVELING WAVE TUBE COMPRISING AN EVACUATED ENVELOPE CONTAINING THEREIN A PERIODIC SLOW WAVE ENERGY TRANSMISSION STRUCTURE FOR PROPAGATING ELECTROMAGNETIC WAVE ENERGY ALONG A PREDETERMINED PATH ADJACENT SAID STRUCTURE, AND SAID TUBE FURTHER INCLUDING A LEAD-IN ASSEMBLY EXTENDING FROM SAID STRUCTURE, A SOURCE OF ELECTRONS, DIRECTIVE MEANS INCLUDING MEANS FOR PRODUCING A MAGNETIC FIELD TRANSVERSE TO SAID PATH FOR DIRECTING SAID ELECTRONS FROM SAID SOURCE ADJACENT SAID PATH IN ENERGY COUPLING RELATIONSHIP WITH SAID WAVE ENERGY, SAID MAGNETIC FIELD PRODUCING MEANS SURROUNDING SAID TUBE ENVELOPE AND INCLUDING A CENTRALLY LOCATED APERTURE FOR RECEIVING SAID LEAD-IN ASSEMBLY OF SAID TUBE, SAID MAGNETIC FIELD PRODUCING MEANS FURTHER INCLUDING AT LEAST ONE REENTRANT ANNULAR PORTION MOUNTED IN SUBSTANTIAL ALIGNMENT WITH SAID PATH, AND MEANS FOR FIXEDLY MOUNTING SAID TUBE WITHIN SAID MAGNETIC FIELD PRODUCING MEANS.
References Cited (Backward Citations)
US2414517A
Cited
US2406276A
Cited
US2424886A
Cited
US2428888A
Cited
US2615143A
Cited
US2524252A
Cited
US2701322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |