Patent US6546005B1 successfully refreshed from Google Patents.
Patent US3097315A successfully refreshed from Google Patents.
US3097315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal vibrator of convex lens configuration having opposed convex surfaces
Assignee: Individual
•
Filing: 1960-04-05
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Granted: 1963-07-09
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Shinada Toshio
- 👤 Ohnuki Akira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:33
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/15; H03H9/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A HIGH Q CRYSTAL VIBRATOR OF CONVEX LENS CONFIGURATION, SAID VIBRATOR HAVING OPPOSED SURFACES OF SIMILAR CONVEX CURVATURE TO EACH OTHER CHARACTERIZED IN THAT SUBSTANTIALLY EQUAL ANNULAR ELECTRODES ARE COAXIALLY AND TIGHTLY ATTACHED ONTO SAID OPPOSED SURFACES OF THE VIBRATOR IN SUCH MANNER THAT THE ELECTRICAL SIGNALS ACROSS SAID ELECTRODES MAY BE PREDOMINANTLY CORRELATED WITH THE SECOND ORDER CONTOURED THICKNESS SHEAR VIBRATION OF SAID VIBRATOR.
Claim 2
Dependent Claim
65 words
A HIGH Q CRYSTAL VIBRATOR OF CONVEX LENS CONFIGURATION, SAID VIBRATOR HAVING OPPOSED SURFACES OF SIMILAR CONVEX CURVATURE TO EACH OTHER CHARACTERIZED IN THAT SUBSTANTIALLY EQUAL ANNULAR ELECTRODES ARE COAXIALLY AND TIGHTLY ATTACHED ONTO SAID OPPOSED SURFACES OF THE VIBRATOR IN SUCH MANNER THAT THE ELECTRICAL SIGNALS ACROSS SAID ELECTRODES MAY BE PREDOMINANTLY CORRELATED WITH THE SECOND ORDER CONTOURED THICKNESS SHEAR VIBRATION OF SAID VIBRATOR.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |