Patent US3497076A successfully refreshed from Google Patents.
US2963597A
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Means for compensating the static capacitance of piezo-electric crystals
Assignee: Individual
•
Filing: 1957-01-02
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Granted: 1960-12-06
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Expires: 1977-01-02
Abstract
No abstract record available.
Inventors
- 👤 Eduard A Gerber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:46
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/0538; H03H9/0542
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1957063A
Cited
US2329321A
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FR993891A
Cited
US2488290A
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US2508720A
Cited
US2598722A
Cited
US2514337A
Cited
US2677064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |