US3076947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low pass filter
Assignee: Raytheon Co
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Filing: 1960-11-01
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Granted: 1963-02-05
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Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard S Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:13
CPC Classifications
H; H03; H03H; H03H1/00; H03H1/0007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A LOW PASS $ SECTION FILTER COMPRISING A CYLINDRICAL CASE OF A CONDUCTIVE MATERIAL FOR BEING COUPLED TO A SOURCE OF REFERENCE POTENTIAL, FIRST AND SECOND ANNULAR PLATES OF A CONDUCTIVE MATERIAL EACH HAVING A CENTRALLY LOCATED ANNULAR OPENING AND PERIPHERALLY ELECTRICALLY CONNECTED TO OPPOSITE AXIAL ENDS OF SAID CYLINDRICAL CASE, THIRD AND FOURTH ANNULAR PLATES OF DIELECTRIC MATERIAL HAVING A CENTRALLY LOCATED ANNULAR OPENING AND RESPECTIVELY DISPOSED ADJACENT TO AND AXIALLY INWARD FROM SAID FIRST AND SECOND PLATES, FIFTH AND SIXTH ANNULAR PLATES OF A CONDUCTIVE MATERIAL HAVING A CENTRALLY LOCATED ANNULAR OPENING AND DISPOSED RESPECTIVELY ADJACENT TO AND INWARD FROM SAID THIRD AND FOURTH PLATES, THE PERIPHERY OF SAID FIFTH AND SIXTH PLATES BEING ELECTRICALLY ISOLATED FROM SAID CASE, FIRST AND SECOND CORES EACH BEING A CYLINDRICAL BODY HAVING A FIRST AND SECOND AXIAL END AND HAVING AN ANNULAR GROOVE EX-
Claim 2
Dependent Claim
143 words
A LOW PASS $ SECTION FILTER COMPRISING A CYLINDRICAL CASE OF A CONDUCTIVE MATERIAL FOR BEING COUPLED TO A SOURCE OF REFERENCE POTENTIAL, FIRST AND SECOND ANNULAR PLATES OF A CONDUCTIVE MATERIAL EACH HAVING A CENTRALLY LOCATED ANNULAR OPENING AND PERIPHERALLY ELECTRICALLY CONNECTED TO OPPOSITE AXIAL ENDS OF SAID CYLINDRICAL CASE, THIRD AND FOURTH ANNULAR PLATES OF DIELECTRIC MATERIAL HAVING A CENTRALLY LOCATED ANNULAR OPENING AND RESPECTIVELY DISPOSED ADJACENT TO AND AXIALLY INWARD FROM SAID FIRST AND SECOND PLATES, FIFTH AND SIXTH ANNULAR PLATES OF A CONDUCTIVE MATERIAL HAVING A CENTRALLY LOCATED ANNULAR OPENING AND DISPOSED RESPECTIVELY ADJACENT TO AND INWARD FROM SAID THIRD AND FOURTH PLATES, THE PERIPHERY OF SAID FIFTH AND SIXTH PLATES BEING ELECTRICALLY ISOLATED FROM SAID CASE, FIRST AND SECOND CORES EACH BEING A CYLINDRICAL BODY HAVING A FIRST AND SECOND AXIAL END AND HAVING AN ANNULAR GROOVE EX-
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |