US2541833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic dielectrics and method
Assignee: —
•
Filing: —
•
Granted: 1951-02-13
•
Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:47
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/12; C; C04; C04B; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3206; C04B2235/3208; C04B2235/3213; C04B2235/3215; C04B2235/3224; C04B2235/3225; C04B2235/3231; C04B2235/3251; C04B2235/70; C04B2235/74; C04B2235/76; C04B2235/768; C04B2235/77
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A CERAMIC DIELECTRIC MATERIAL CONSISTING OF FROM ABOUT TEN MOL PERCENT TO FORTY MOL PERCENT ALKALINE EARTH ZIRCONATE AND FROM ABOUT NINETY
Claim 2
Dependent Claim
22 words
A CERAMIC DIELECTRIC MATERIAL CONSISTING OF FROM ABOUT TEN MOL PERCENT TO FORTY MOL PERCENT ALKALINE EARTH ZIRCONATE AND FROM ABOUT NINETY
References Cited (Backward Citations)
US2424111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |