Patent US3403103A successfully refreshed from Google Patents.
US3403103A
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Piezoelectric ceramic compositions
Assignee: Panasonic Holdings Corp
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Filing: 1966-01-17
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Granted: 1968-09-24
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Ouchi Hiromu
- 👤 Nishida Masamitsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:19
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/51; C04B35/01; C04B35/46; C04B35/48; C04B35/50; H; H10; H10N; H10N30/00; H10N30/80; H10N30/85; H10N30/853; H10N30/8548; H10N30/8554
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AS A NOVEL FERROELECTRIC CERAMIC COMPOSITION OF MATTER, A SOLID SOLUTION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE AREA BOUNDED BY LINES CONNECTING POINTS A,B,C,D,E, IN FIG. 2, WHEREIN A,B,C,D,E HAVE THE FOLLOWING FORMULAE
Claim 2
Dependent Claim
35 words
AS A NOVEL FERROELECTRIC CERAMIC COMPOSITION OF MATTER, A SOLID SOLUTION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE AREA BOUNDED BY LINES CONNECTING POINTS A,B,C,D,E, IN FIG. 2, WHEREIN A,B,C,D,E HAVE THE FOLLOWING FORMULAE
References Cited (Backward Citations)
US3268453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |