Patent US2853392A successfully refreshed from Google Patents.
US2853392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic dielectric materials
Assignee: RCA Corp
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Filing: 1954-08-26
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Granted: 1958-09-23
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Expires: 1974-08-26
Abstract
No abstract record available.
Inventors
- 👤 Bousky Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A VITEROUS CERAMIC DIELECTRIC BODY OF SINTERED FINELYDIVIDED PARTICLES, SAID PARTICLES CONSISTING ESSENTIALLY OF ONE SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF CADMIUM COLUMBATE, CADMIUM TANTALATE, ZINC COLUMBATE AND ZINC TANTALATE.
Claim 2
Dependent Claim
31 words
A VITEROUS CERAMIC DIELECTRIC BODY OF SINTERED FINELYDIVIDED PARTICLES, SAID PARTICLES CONSISTING ESSENTIALLY OF ONE SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF CADMIUM COLUMBATE, CADMIUM TANTALATE, ZINC COLUMBATE AND ZINC TANTALATE.
References Cited (Backward Citations)
US2584324A
Cited
US2646359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |