US3378704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric multilayer device
Assignee: Bourns Inc
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Filing: 1966-01-05
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Granted: 1968-04-16
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Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth F Miller
- 👤 Melvin H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:59
CPC Classifications
H; H10; H10N; H10N30/00; H10N30/01; H10N30/05; H10N30/053; H03; H03H; H03H9/00; H03H9/02; H03H9/125; H03H9/145; H03H9/14502; H03H9/14544; H03H9/14547; H03H9/14561; H03H9/46; H03H9/54; H03H9/56; H03H9/562; H10N30/20; H10N30/204; H10N30/50; H10N30/503; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1048; Y10T29/00; Y10T29/42; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/49004; Y10T29/4902; Y10T29/49069; Y10T29/49082; Y10T29/49099; Y10T29/49117; Y10T29/49124; Y10T29/49174
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PIEZOELECTRIC DEVICE COMPRISING: AN INTEGRAL BLOCK-LIKE STRUCTURE COMPRISING A UNITARY MASS OF POLARIZED POLYCRYSTALLINE PIEZOELECTRIC MATERIAL COMPRISING STRUCTURALLY INTEGRAL FIRST AND SECOND SETS OF INDIVIDUALLY-INSULATED SUPERPOSED THIN ELECTRICALLY-CONDUCTIVE ELEMENTS MORE THAN TWO IN NUMBER AND SAID PORTIONS EACH CONTAINING A RESPECTIVE PORTION OF A THIRD SET OF INDIVIDUALLY-INSULATED THIN ELECTRICALLY-CONDUCTIVE ELEMENTS, THE SAID CONDUCTIVE ELEMENTS OF SAID THIRD SET THEREOF BEING DISTRIBUTED AMONG AND ALTERNATING WITH CONDUCTIVE ELEMENTS OF THE SAID FIRST AND SECOND SETS OF ELEMENTS; AND FIRST AND SECOND ELECTRIC TERMINAL MEANS THE FIRST OF WHICH IS CONNECTED TO SAID THIRD SET OF CONDUCTIVE ELEMENTS AND THE SECOND OF WHICH IS CONNECTED TO SAID FIRST AND SECOND SETS OF CONDUCTIVE ELEMENTS.
Claim 2
Dependent Claim
114 words
A PIEZOELECTRIC DEVICE COMPRISING: AN INTEGRAL BLOCK-LIKE STRUCTURE COMPRISING A UNITARY MASS OF POLARIZED POLYCRYSTALLINE PIEZOELECTRIC MATERIAL COMPRISING STRUCTURALLY INTEGRAL FIRST AND SECOND SETS OF INDIVIDUALLY-INSULATED SUPERPOSED THIN ELECTRICALLY-CONDUCTIVE ELEMENTS MORE THAN TWO IN NUMBER AND SAID PORTIONS EACH CONTAINING A RESPECTIVE PORTION OF A THIRD SET OF INDIVIDUALLY-INSULATED THIN ELECTRICALLY-CONDUCTIVE ELEMENTS, THE SAID CONDUCTIVE ELEMENTS OF SAID THIRD SET THEREOF BEING DISTRIBUTED AMONG AND ALTERNATING WITH CONDUCTIVE ELEMENTS OF THE SAID FIRST AND SECOND SETS OF ELEMENTS; AND FIRST AND SECOND ELECTRIC TERMINAL MEANS THE FIRST OF WHICH IS CONNECTED TO SAID THIRD SET OF CONDUCTIVE ELEMENTS AND THE SECOND OF WHICH IS CONNECTED TO SAID FIRST AND SECOND SETS OF CONDUCTIVE ELEMENTS.
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |