US3084280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interdigital line magnetron
Assignee: Varian Medical Systems Inc
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Filing: 1960-10-24
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Granted: 1963-04-02
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 John W Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:50
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/54; H01J25/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A MAGNETRON COMPRISING A CATHODE AND AN INTERDIGITAL LINE, SAID INTERDIGITAL LINE COMPRISING A PLURALITY OF SEGMENTS DISPOSED IN A CIRCULAR ARRAY, AND AT LEAST THREE TERMINAL RINGS DISPOSED AROUND THE SEGMENTS, SOME OF SAID SEGMENTS BEING CONNECTED TO ONE OF SAID TERMINAL RINGS WHICH IS ELECTRICALLY INSULATED FROM THE OTHER RINGS, AND
Claim 2
Dependent Claim
53 words
A MAGNETRON COMPRISING A CATHODE AND AN INTERDIGITAL LINE, SAID INTERDIGITAL LINE COMPRISING A PLURALITY OF SEGMENTS DISPOSED IN A CIRCULAR ARRAY, AND AT LEAST THREE TERMINAL RINGS DISPOSED AROUND THE SEGMENTS, SOME OF SAID SEGMENTS BEING CONNECTED TO ONE OF SAID TERMINAL RINGS WHICH IS ELECTRICALLY INSULATED FROM THE OTHER RINGS, AND
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |