US2801181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High dielectric capacitors
Assignee: Solar Manuf Corp
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Filing: 1953-08-14
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Granted: 1957-07-30
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Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 Gupta Asru K Das
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:21
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A CERAMIC COMPOSITION FOR CAPACITORS CONSISTING ESSENTIALLY OF 92 TO 97 PERCENT BARIUM TITANATE, SAID BARIUM TITANATE INCLUDING 0 TO 6.5 PERCENT OF A MAGNESIUM OXIDECOLUMBIUM PENTA-OXIDE MIXTURE WHEREIN THE MOL RATIO OF MAGNESIUM OXIDE TO COLUMBIUM PENTA-OXIDE IS IN THE RANGE OF 1.5:1 TO 3:1, 0 TO 6.5 PERCENT OF A MEMBER FROM THE GROUP CONSISTING OF BARIUM STANNATE AND BARIUM ZIRCONATE AND FROM 2.5 TO 8 PERCENT BARIUM COLUMBATE.
Claim 2
Dependent Claim
71 words
A CERAMIC COMPOSITION FOR CAPACITORS CONSISTING ESSENTIALLY OF 92 TO 97 PERCENT BARIUM TITANATE, SAID BARIUM TITANATE INCLUDING 0 TO 6.5 PERCENT OF A MAGNESIUM OXIDECOLUMBIUM PENTA-OXIDE MIXTURE WHEREIN THE MOL RATIO OF MAGNESIUM OXIDE TO COLUMBIUM PENTA-OXIDE IS IN THE RANGE OF 1.5:1 TO 3:1, 0 TO 6.5 PERCENT OF A MEMBER FROM THE GROUP CONSISTING OF BARIUM STANNATE AND BARIUM ZIRCONATE AND FROM 2.5 TO 8 PERCENT BARIUM COLUMBATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |