Patent US3208016A successfully refreshed from Google Patents.
US3208016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attenuators
Assignee: Rohde and Schwarz GmbH and Co KG
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Filing: 1961-02-09
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Granted: 1965-09-21
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Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 Kraus Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:04
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/22; H01P1/24; H01P1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A VARIABLE ATTENUATOR FOR VERY HIGH FREQUENCIES HAVING INPUT AND OUTPUT CONNECTIONS OF PREDETERMINED IMPEDANCE, AT LEAST ONE MOVABLE UNIT CONTAINING AN ATTENUATING MEMBER AND A NON-ATTENUATING CONDUCTING MEMBER BOTH HAVING TERMINALS PROJECTING FROM SAID UNIT, CONDUCTING MEANS DEFINING TWO PARALLEL PLANES INTERRUPTED BY AT LEAST ONE ELONGATED GUIDING SPACE, DEFINING SAID PREDETERMINED IMPEDANCE, AND BETWEEN WHICH SAID UNIT IS DISPLACEABLE IN SAID GUIDING SPACE, FIXED TERMINAL MEANS SUPPORTED BETWEEN SAID PLANES AND COOPERATING WITH SAID TERMINALS PROJECTING FROM SAID UNIT IN SUCH A WAY THAT BY
Claim 2
Dependent Claim
88 words
IN A VARIABLE ATTENUATOR FOR VERY HIGH FREQUENCIES HAVING INPUT AND OUTPUT CONNECTIONS OF PREDETERMINED IMPEDANCE, AT LEAST ONE MOVABLE UNIT CONTAINING AN ATTENUATING MEMBER AND A NON-ATTENUATING CONDUCTING MEMBER BOTH HAVING TERMINALS PROJECTING FROM SAID UNIT, CONDUCTING MEANS DEFINING TWO PARALLEL PLANES INTERRUPTED BY AT LEAST ONE ELONGATED GUIDING SPACE, DEFINING SAID PREDETERMINED IMPEDANCE, AND BETWEEN WHICH SAID UNIT IS DISPLACEABLE IN SAID GUIDING SPACE, FIXED TERMINAL MEANS SUPPORTED BETWEEN SAID PLANES AND COOPERATING WITH SAID TERMINALS PROJECTING FROM SAID UNIT IN SUCH A WAY THAT BY
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |