Patent US3178656A successfully refreshed from Google Patents.
US3178656A
Expired / Lapsed
US
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Apparatus using cerenkov radiation
Assignee: National Engineering Science Co
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Filing: 1961-02-14
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Granted: 1965-04-13
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Expires: 1981-02-14
Abstract
No abstract record available.
Inventors
- 👤 Michael D Petroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:13
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A GENERATOR OF ELECTROMAGNETIC WAVES COMPRISING, A SOURCE SUPPORATING A BUNCHED ELECTRON BEAM, AN APERTURED DIELECTRIC MEDIUM THROUGH THE APERTURED PORTION THEREOF SAID BUNCHED ELECTRON BEAM TRAVELS, A NONRESONANT ELECTROSTATIC STRUCTURE ENCLOSING SAID MEDIUM AND MEANS CHARGING SAID STRUCTURE TO A POTENTIAL TO ACCELERATE THE ELECTRONS IN SAID BUNCHED BEAM TO A SPEED GREATER THAN THE PHASE VELOCITY OF ELECTROMAGNETIC WAVES OF THE BUNCHING FREQUENCY IN SAID MEDIUM TO PRODUCE ELECTROMAGNETIC WAVES IN SAID MEDIUM.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |