US3100289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave attenuators with low d.c. resistance shunt path
Assignee: Empire Devices Products Corp
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Filing: 1960-05-03
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Granted: 1963-08-06
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Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 Lorch Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:36
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/22; H01P1/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A MICROWAVE ATTENUATOR HAVING A CYLINDRICAL CONDUCTIVE SLEEVE, A TUBULAR CONDUCTIVE END CONNECTOR SECURED TO EACH SLEEVE END AND RESPECTIVELY CONTAINING AN AXIAL CONDUCTIVE TERMINAL, A TUBULAR RESISTIVE UNIT CONCENTRICALLLY ARRANGED WITHIN SAID SLEEVE, EACH END OF SAID UNIT BEING IN ENGAGEMENT WITH A RESPECTIVE TERMINAL FOR EXTERIOR ELECTRICAL CONNECTION, SAID RESISTIVE UNIT BEING PORPORTIONED TO ESTABLISH A PREDETERMINED IMPEDANCE BETWEEN EACH TERMINAL AND SAID SLEEVE IN THE OPERATING FREQUENCY RANGE, AND AN INDUCTANCE COIL CONNECTED BETWEEN ONE TERMINAL AND ITS CONNECTOR, SAID COIL PRESENTING AN IMPEDANCE SUBSTANTIALLY HIGHER THAN SAID PREDETERMINED IMPEDANCE IN SAID FREQUENCY RANGE AND A LOW RESISTANCE TO DIRECT CURRENT FLOW THEREACROSS.
Claim 2
Dependent Claim
106 words
A MICROWAVE ATTENUATOR HAVING A CYLINDRICAL CONDUCTIVE SLEEVE, A TUBULAR CONDUCTIVE END CONNECTOR SECURED TO EACH SLEEVE END AND RESPECTIVELY CONTAINING AN AXIAL CONDUCTIVE TERMINAL, A TUBULAR RESISTIVE UNIT CONCENTRICALLLY ARRANGED WITHIN SAID SLEEVE, EACH END OF SAID UNIT BEING IN ENGAGEMENT WITH A RESPECTIVE TERMINAL FOR EXTERIOR ELECTRICAL CONNECTION, SAID RESISTIVE UNIT BEING PORPORTIONED TO ESTABLISH A PREDETERMINED IMPEDANCE BETWEEN EACH TERMINAL AND SAID SLEEVE IN THE OPERATING FREQUENCY RANGE, AND AN INDUCTANCE COIL CONNECTED BETWEEN ONE TERMINAL AND ITS CONNECTOR, SAID COIL PRESENTING AN IMPEDANCE SUBSTANTIALLY HIGHER THAN SAID PREDETERMINED IMPEDANCE IN SAID FREQUENCY RANGE AND A LOW RESISTANCE TO DIRECT CURRENT FLOW THEREACROSS.
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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |