US3219904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave rectifiers
Assignee: Raytheon Co
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Filing: 1960-12-22
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Granted: 1965-11-23
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 John M Osepchuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:04
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN ELECTRON DISCHARGE DEVICE COMPRISING A SLOW WAVE PROPAGATING STRUCTURE BIASED AT A NEGATIVE D.C. POTENTIAL COUPLED TO A SOURCE OF ALTERNATING MICROWAVE FREQUENCY SIGNALS, MEANS EMITTING ELECTRONS AT A HIGHER NEGATIVE POTENTIAL THAN SAID SLOW WAVE STRUCTURE POTENTIAL, MEANS COMPELLING SAID ELECTRONS TO TRAVEL IN ENERGY EXCHANGING RELATIONSHIP WITH WAVES PROPAGATED IN SAID STRUCTURE AND A D.C. LOAD COUPLED BETWEEN SAID EMITTING MEANS AND SAID STRUCTURE WHEREBY POWER FROM SAID SOURCE OF ALTERNATING SIGNAL IS CONVERTED TO D.C. POWER APPLIED TO SAID LOAD.
Claim 2
Dependent Claim
84 words
AN ELECTRON DISCHARGE DEVICE COMPRISING A SLOW WAVE PROPAGATING STRUCTURE BIASED AT A NEGATIVE D.C. POTENTIAL COUPLED TO A SOURCE OF ALTERNATING MICROWAVE FREQUENCY SIGNALS, MEANS EMITTING ELECTRONS AT A HIGHER NEGATIVE POTENTIAL THAN SAID SLOW WAVE STRUCTURE POTENTIAL, MEANS COMPELLING SAID ELECTRONS TO TRAVEL IN ENERGY EXCHANGING RELATIONSHIP WITH WAVES PROPAGATED IN SAID STRUCTURE AND A D.C. LOAD COUPLED BETWEEN SAID EMITTING MEANS AND SAID STRUCTURE WHEREBY POWER FROM SAID SOURCE OF ALTERNATING SIGNAL IS CONVERTED TO D.C. POWER APPLIED TO SAID LOAD.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |