Patent US3243735A successfully refreshed from Google Patents.
US3243735A
Expired / Lapsed
US
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Delay line for travelling wave tubes
Assignee: Siemens and Halske AG
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Filing: 1960-12-28
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Granted: 1966-03-29
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Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Gross Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:56
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A DELAY LINE FOR TRAVELLING WAVE TUBES, ESPECIALLY FOR MILLIMETER WAVES, CONSTRUCTED IN THE MANNER OF A DOUBLE-COMB LINE, COMPRISING TWO COMBLIKE MEMBERS MADE WHOLLY OF METAL AND DISPOSED IN PARALLEL RELATIONSHIP FORMING TEETH WHICH ARE FREE STANDING IN THE LONGITUDINAL DIRECTION OF THE DELAY LINE WITH THE TEETH OF ONE MEMBER FACING THE TEETH OF THE OTHER MEMBER, SAID TEETH LYING IN A COMMON LONGITUDINAL PLANE, WITH THE TEETH OF ONE MEMBER BEING MUTUALLY DISPLACED IN THE LONGITUDINAL DIRECTION OF THE DELAY LINE RELATIVE TO THE TEETH OF THE
Claim 2
Dependent Claim
90 words
A DELAY LINE FOR TRAVELLING WAVE TUBES, ESPECIALLY FOR MILLIMETER WAVES, CONSTRUCTED IN THE MANNER OF A DOUBLE-COMB LINE, COMPRISING TWO COMBLIKE MEMBERS MADE WHOLLY OF METAL AND DISPOSED IN PARALLEL RELATIONSHIP FORMING TEETH WHICH ARE FREE STANDING IN THE LONGITUDINAL DIRECTION OF THE DELAY LINE WITH THE TEETH OF ONE MEMBER FACING THE TEETH OF THE OTHER MEMBER, SAID TEETH LYING IN A COMMON LONGITUDINAL PLANE, WITH THE TEETH OF ONE MEMBER BEING MUTUALLY DISPLACED IN THE LONGITUDINAL DIRECTION OF THE DELAY LINE RELATIVE TO THE TEETH OF THE
References Cited (Backward Citations)
US2567748A
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FR944500A
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US2643353A
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US2888595A
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US2861212A
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US2888598A
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US2936395A
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US2933639A
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |