Patent US3348077A successfully refreshed from Google Patents.
US3348077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferroelectric circuit element material and transducer utilizing same
Assignee: RCA Corp
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Filing: 1963-12-06
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Granted: 1967-10-17
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Nitsche Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:11
CPC Classifications
H; H01; H01G; H01G2/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
A DEVICE COMPRISING A THIN FLAT BODY HAVING A PAIR OF OPPOSED SUBSTANTIALLY-PARALLEL MAJOR SURFACES, SAID BODY BEING CONSTITUTED OF A BINDER-FREE COMPACT MASS OF SMALL ADJACENT ACICULAR CRYSTALS WITH THEIR LONG AXES IN A COMMON DIRECTION SUBSTANTIALLY NORMAL TO SAID MAJOR SURFACES, A PAIR OF ELECTRODES CONTACTING SAID MAJOR SURFACES, AND A BAND AROUND SAID BODY ON THE MINOR SURFACES OF SAID BODY, SAID BODY HAVING THE MOLAR COMPOSITION V-VI-VII WHERE:
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |