US2906710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferroelectric ceramic composition
Assignee: —
•
Filing: —
•
Granted: 1959-09-29
•
Expires: 1976-09-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:53
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/48; C04B35/49; C04B35/491; C04B35/493; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3206; C04B2235/3208; C04B2235/3213; C04B2235/3215; C04B2235/3231; C04B2235/3251; C04B2235/70; C04B2235/74; C04B2235/76; C04B2235/768
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AS A NOVEL COMPOSITION OF MATTER, A SOLID SOLUTION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE AREA ABCD OF THE DIAGRAM OF FIGURE 3 AND AT LEAST ONE ALKALINE EARTH ELEMENT SELECTED FROM THE GROUP CONSISTING OF CALCIUM AND STRONTIUM, AND ALKALINE EARTH ELEMENT BEING PRESENT AT A SUBSTITUENT FOR APPROXIMATELY 1 TO 30 ATOM PERCENT OF THE LEAD IN SAID MATERIAL.
Claim 2
Dependent Claim
63 words
AS A NOVEL COMPOSITION OF MATTER, A SOLID SOLUTION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE AREA ABCD OF THE DIAGRAM OF FIGURE 3 AND AT LEAST ONE ALKALINE EARTH ELEMENT SELECTED FROM THE GROUP CONSISTING OF CALCIUM AND STRONTIUM, AND ALKALINE EARTH ELEMENT BEING PRESENT AT A SUBSTITUENT FOR APPROXIMATELY 1 TO 30 ATOM PERCENT OF THE LEAD IN SAID MATERIAL.
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |