US3142027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical wave filter having resonant bars coupled to each other by torsion wires which also support bars
Assignee: Siemens and Halske AG
•
Filing: 1961-02-17
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Granted: 1964-07-21
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Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Albsmeier Hans
- 👤 Poschenrieder Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:26
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/48; H03H9/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A FILTER FOR ELECTRIC WAVES, COMPRISING A PLURALITY OF MECHANICAL RESONATORS MADE IN THE FORM OF BENDING OSCILLATORS, COUPLING MEMBERS ARRANGED BETWEEN SAID RESONATORS IN THE RANGE OF THE OSCILLATION NODES THEREOF AND INTERCONNECTING SAID RESONATORS TO FORM A SELF-SUSTAINING UNIT, THE MATERIAL OF SAID COUPLING MEMBERS BEING SMALL AS COMPARED WITH ONE QUARTER WAVE LENGTH AND BEING EFFECTIVE TO TRANSMIT TORSIONAL FORCES, SAID COUPLING MEMBERS EACH BEING FORMED BY A WIRE ELEMENT WHICH IS COMMON TO SAID RESONATORS, SAID ELEMENT LYING UPON AND BEING RIGIDLY CONNECTED WITH EACH OF SAID RESONATORS, AND HAVING THEIR FREE ENDS, AT LEAST AT ONE END OF THE FILTER, EXTENDING THEREFROM TO FORM NON-LOADING SUPPORTING MEANS THEREFOR.
Claim 2
Dependent Claim
113 words
A FILTER FOR ELECTRIC WAVES, COMPRISING A PLURALITY OF MECHANICAL RESONATORS MADE IN THE FORM OF BENDING OSCILLATORS, COUPLING MEMBERS ARRANGED BETWEEN SAID RESONATORS IN THE RANGE OF THE OSCILLATION NODES THEREOF AND INTERCONNECTING SAID RESONATORS TO FORM A SELF-SUSTAINING UNIT, THE MATERIAL OF SAID COUPLING MEMBERS BEING SMALL AS COMPARED WITH ONE QUARTER WAVE LENGTH AND BEING EFFECTIVE TO TRANSMIT TORSIONAL FORCES, SAID COUPLING MEMBERS EACH BEING FORMED BY A WIRE ELEMENT WHICH IS COMMON TO SAID RESONATORS, SAID ELEMENT LYING UPON AND BEING RIGIDLY CONNECTED WITH EACH OF SAID RESONATORS, AND HAVING THEIR FREE ENDS, AT LEAST AT ONE END OF THE FILTER, EXTENDING THEREFROM TO FORM NON-LOADING SUPPORTING MEANS THEREFOR.
References Cited (Backward Citations)
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US2695357A
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US2799832A
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US2859416A
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US3015789A
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US2999989A
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |