US3174069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically confined glow discharge apparatus
Assignee: Varian Medical Systems Inc
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Filing: 1961-11-29
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Granted: 1965-03-16
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Robert L Jepsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:06
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/12; H01J41/18; H01J41/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A MAGNETICALLY CONFINED GLOW DISCHARGE APPARATUS INCLUDING: AN APERTURED ANODE MEMBER; A CATHODE MEMBER DISPOSED ON OPPOSITE SIDES OF SAID ANODE MEMBER AND BEING SLIGHTLY SPACED THEREFROM; MEANS FOR APPLYING A POTENTIAL TO SAID ANODE MEMBER POSITIVE WITH RESPECT TO SAID CATHODE MEMBER; MEANS FOR PRODUCING AND DIRECTING A MAGNETIC FIELD OF INTENSITY B IN KILOGAUSS THROUGH SAID ANODE MEMBER FOR ENHANCING THE GLOW DISCHARGE; SAID ANODE MEMBER BEING SUBDIVIDED INTO A PLURALITY OF COMPARTMENTS DISTRIBUTED TRANSVERSELY OF SAID MAGNETIC FIELD DEFINING A PLURALITY OF GLOW DISCHARGE OF SAID COMPARTMENTS THROUGH, THE SMALLEST DIMENSION OF SAID COMPARTMENTS TAKEN TRANSVERSE TO SAID MAGNETIC FIELD BEING EQUAL TO D IN INCHES; AND, THE BD PRODUCT BEING WITHIN THE RANGE OF 1.2-3.0 KILOGAUSS INCHES WHILE B IS GREATER THAN 3 KILOGAUSSS.
Claim 2
Dependent Claim
128 words
A MAGNETICALLY CONFINED GLOW DISCHARGE APPARATUS INCLUDING: AN APERTURED ANODE MEMBER; A CATHODE MEMBER DISPOSED ON OPPOSITE SIDES OF SAID ANODE MEMBER AND BEING SLIGHTLY SPACED THEREFROM; MEANS FOR APPLYING A POTENTIAL TO SAID ANODE MEMBER POSITIVE WITH RESPECT TO SAID CATHODE MEMBER; MEANS FOR PRODUCING AND DIRECTING A MAGNETIC FIELD OF INTENSITY B IN KILOGAUSS THROUGH SAID ANODE MEMBER FOR ENHANCING THE GLOW DISCHARGE; SAID ANODE MEMBER BEING SUBDIVIDED INTO A PLURALITY OF COMPARTMENTS DISTRIBUTED TRANSVERSELY OF SAID MAGNETIC FIELD DEFINING A PLURALITY OF GLOW DISCHARGE OF SAID COMPARTMENTS THROUGH, THE SMALLEST DIMENSION OF SAID COMPARTMENTS TAKEN TRANSVERSE TO SAID MAGNETIC FIELD BEING EQUAL TO D IN INCHES; AND, THE BD PRODUCT BEING WITHIN THE RANGE OF 1.2-3.0 KILOGAUSS INCHES WHILE B IS GREATER THAN 3 KILOGAUSSS.
References Cited (Backward Citations)
US2993638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |