US3376439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quartz resonator
Assignee: IVAN GRIGORJEVICH VASIN
•
Filing: 1964-08-21
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Granted: 1968-04-02
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Expires: 1984-08-21
Abstract
No abstract record available.
Inventors
- 👤 Vasin Ivan Grigorjevich
- 👤 Pozdnjakov Petr Grigorjevich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:40
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/15; H03H9/17; H03H9/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A QUARTZ RESONATOR COMPRISING A PIEZOELEMENT ADAPTED FOR UNDERGOING TORSIONAL VIBRATIONS, SAID PIEZOELEMENT BEING IN THE SHAPE OF AN ELONGATED ROD HAVING A RECTANGULAR SECTION, SAID PIEZOELEMENT BEING ORIENTED SUCH THAT THE LONGITUDINAL LENGTH OF THE SAID PIEZOELEMENT IS ARRANGED ALONG THE ELECTRIC X-AXIS OF A CRYSTAL, WHILE THE LATERAL SIDES OF THE PIEZOELEMENT FORM ANGLES OF BETWEEN 40 AND 50* WITH THE OPTICAL Z-AXIS AND THE MECHANICAL Y-AXIS OF THE CRYSTAL; FOUR ELECTRODES MOUNTED ON THE LONGITUDINAL SIDES OF THE PIEZOELEMENT, SAID ELECTRODES BEING FORMED BY ELECTROCONDUCTIVE COATINGS, AND CONDUCTORS CONNECTED WITH THE SAID ELECTRODES FOR ENERGIZING THE SAME.
Claim 2
Dependent Claim
100 words
A QUARTZ RESONATOR COMPRISING A PIEZOELEMENT ADAPTED FOR UNDERGOING TORSIONAL VIBRATIONS, SAID PIEZOELEMENT BEING IN THE SHAPE OF AN ELONGATED ROD HAVING A RECTANGULAR SECTION, SAID PIEZOELEMENT BEING ORIENTED SUCH THAT THE LONGITUDINAL LENGTH OF THE SAID PIEZOELEMENT IS ARRANGED ALONG THE ELECTRIC X-AXIS OF A CRYSTAL, WHILE THE LATERAL SIDES OF THE PIEZOELEMENT FORM ANGLES OF BETWEEN 40 AND 50* WITH THE OPTICAL Z-AXIS AND THE MECHANICAL Y-AXIS OF THE CRYSTAL; FOUR ELECTRODES MOUNTED ON THE LONGITUDINAL SIDES OF THE PIEZOELEMENT, SAID ELECTRODES BEING FORMED BY ELECTROCONDUCTIVE COATINGS, AND CONDUCTORS CONNECTED WITH THE SAID ELECTRODES FOR ENERGIZING THE SAME.
References Cited (Backward Citations)
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Cited
US1875078A
Cited
US2045403A
Cited
US2277709A
Cited
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Cited
US2444590A
Cited
US3032706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |