US3339102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency electron discharge devices and wave permeable windows
Assignee: Varian Medical Systems Inc
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Filing: 1964-02-27
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Granted: 1967-08-29
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Floyd O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:11
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A HIGH FREQUENCY ELECTROMAGNETIC WAVE-PERMEABLE WINDOW ASSEMBLY COMPRISING: WAVE TRANSMISSION MEANS MADE OF CONDUCTIVE MATERIAL HAVING AN ELECTROMAGNETIC WAVE-PERMEABLE DIELECTRIC SELF-RESONANT WINDOW VACUUMSEALED THEREIN, SAID WAVE PERMEABLE VACUUM-SEALED WINDOW HAVING A HONEYCOMB STRUCTURE, SAID WAVE TRANSMISSION MEANS AND SAID HONEYCOMB WINDOW DEFINING A PASSBAND WITH THE CENTER FREQUENCY DETERMINED AT THE SELFRESONANT FREQUENCY OF THE WINDOW,SAID WINDOW HAVING A THICKNESS DIMENSION DISPOSED PARALLEL TO THE DIRECTION OF WAVE ENERGY PROPAGATION THROUGH SAID WAVE TRANSMISSION MEANS, SAID HONEYCOMB STRUCTURE INCLUDING A PLURALITY OF BORES EXTENDING PARTIALLY THROUGH THE THICKNESS DIMENSION OF THE WAVE-PERMEABLE WINDOW.
Claim 2
Dependent Claim
93 words
A HIGH FREQUENCY ELECTROMAGNETIC WAVE-PERMEABLE WINDOW ASSEMBLY COMPRISING: WAVE TRANSMISSION MEANS MADE OF CONDUCTIVE MATERIAL HAVING AN ELECTROMAGNETIC WAVE-PERMEABLE DIELECTRIC SELF-RESONANT WINDOW VACUUMSEALED THEREIN, SAID WAVE PERMEABLE VACUUM-SEALED WINDOW HAVING A HONEYCOMB STRUCTURE, SAID WAVE TRANSMISSION MEANS AND SAID HONEYCOMB WINDOW DEFINING A PASSBAND WITH THE CENTER FREQUENCY DETERMINED AT THE SELFRESONANT FREQUENCY OF THE WINDOW,SAID WINDOW HAVING A THICKNESS DIMENSION DISPOSED PARALLEL TO THE DIRECTION OF WAVE ENERGY PROPAGATION THROUGH SAID WAVE TRANSMISSION MEANS, SAID HONEYCOMB STRUCTURE INCLUDING A PLURALITY OF BORES EXTENDING PARTIALLY THROUGH THE THICKNESS DIMENSION OF THE WAVE-PERMEABLE WINDOW.
References Cited (Backward Citations)
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US2639248A
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US2744042A
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US2783295A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |