US3187281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high frequency converter having auxiliary shield preventing detuning caused byclosing of cover plate
Assignee: General Electric Co
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Filing: 1963-03-22
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Granted: 1965-06-01
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Albert P Weiner
- 👤 Adolf E Wolfram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:28
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/06; H03J; H03J1/00; H03J1/06; H03J1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A FREQUENCY CONVERTER AND BAND TRIMMER ARRANGEMENT COMPRISING: A COMPOSITE ENCLOSURE FOR THE CONVERTER, SAID ENCLOSURE HAVING FIRST AND SECOND COMPONENTS THEREOF; AN ADJUSTABLE TUNING MEANS FOR THE CONVERTER POSITIONED IN SAID FIRST ENCLOSURE COMPONENT; SAID SECOND ENCLOSURE COMPONENT HAVING A SURFACE AREA SEGMENT SPACED FROM SAID TUNING MEANS AND MAINTAINED AT A CONSTANT POTENTIAL; AND MEANS COMPRISING A RELATIVELY FLAT METAL STRIP MOUNTED IN SAID COMPRISING A RELATIVELY FLAT TWEEN SAID TUNING MEANS AND SAID SURFACE AREA SEGMENT IN A PLANE PARALLEL TO SAID SURFACE AND MAINTAINED AT A CONSTANT POTENTIAL, SAID STRIPS SPACED FROM SAID TUNING MEANS FOR PROVIDING TRIMMING OF A DESIRED FREQUENCY BAND, SAID STRIP HAVING A SURFACE AREA ADAPTED FOR PROVIDING DECOUPLING BETWEEN SAID TUNING MEANS AND SAID SURFACE AREA PORTION.
Claim 2
Dependent Claim
127 words
IN A FREQUENCY CONVERTER AND BAND TRIMMER ARRANGEMENT COMPRISING: A COMPOSITE ENCLOSURE FOR THE CONVERTER, SAID ENCLOSURE HAVING FIRST AND SECOND COMPONENTS THEREOF; AN ADJUSTABLE TUNING MEANS FOR THE CONVERTER POSITIONED IN SAID FIRST ENCLOSURE COMPONENT; SAID SECOND ENCLOSURE COMPONENT HAVING A SURFACE AREA SEGMENT SPACED FROM SAID TUNING MEANS AND MAINTAINED AT A CONSTANT POTENTIAL; AND MEANS COMPRISING A RELATIVELY FLAT METAL STRIP MOUNTED IN SAID COMPRISING A RELATIVELY FLAT TWEEN SAID TUNING MEANS AND SAID SURFACE AREA SEGMENT IN A PLANE PARALLEL TO SAID SURFACE AND MAINTAINED AT A CONSTANT POTENTIAL, SAID STRIPS SPACED FROM SAID TUNING MEANS FOR PROVIDING TRIMMING OF A DESIRED FREQUENCY BAND, SAID STRIP HAVING A SURFACE AREA ADAPTED FOR PROVIDING DECOUPLING BETWEEN SAID TUNING MEANS AND SAID SURFACE AREA PORTION.
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |