US3222283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead barium niobate ceramic composition
Assignee: —
•
Filing: —
•
Granted: 1965-12-07
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/495; C04B35/48; C04B35/49; C04B35/491; C01; C01P; C01P2006/00; C01P2006/40; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3208; C04B2235/3212; C04B2235/3213; C04B2235/3215; C04B2235/3224; C04B2235/3227; C04B2235/3231; C04B2235/3251; C04B2235/70; C04B2235/74; C04B2235/76; C04B2235/768
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A FERROELECTRIC CERAMIC COMPOSITON THAT IS THE REACTION PRODUCT CONSISTING ESSENTIALLY OF LEAD MONOXIDE, BARIUM OXIDE AND NIOBIUM PENTOXIDE IN WHICH THE ATOMIC RATIO OF BARIUM TO BARIUM PLUS LEAD EXTENDS FROM ABOUT .1 TO ABOUT .7 AND THE NIOBIUM PENTOXIDE CONTENT EXTENDS FROM A LOWER VALUE IN EXCESS OF 50 MOL PERCENT TO AN UPPER VALUE OF ABOUT 62.5 MOL PERCENT.
Claim 2
Dependent Claim
62 words
A FERROELECTRIC CERAMIC COMPOSITON THAT IS THE REACTION PRODUCT CONSISTING ESSENTIALLY OF LEAD MONOXIDE, BARIUM OXIDE AND NIOBIUM PENTOXIDE IN WHICH THE ATOMIC RATIO OF BARIUM TO BARIUM PLUS LEAD EXTENDS FROM ABOUT .1 TO ABOUT .7 AND THE NIOBIUM PENTOXIDE CONTENT EXTENDS FROM A LOWER VALUE IN EXCESS OF 50 MOL PERCENT TO AN UPPER VALUE OF ABOUT 62.5 MOL PERCENT.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |