Patent US2899321A successfully refreshed from Google Patents.
US2899321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kmnfj
Assignee: —
•
Filing: —
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Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:40
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; C; C04; C04B; C04B35/00; C04B35/515; H01B; H01B3/00; H01B3/02; H01B3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A FORMED, FIRED, DIELECTRIC CERAMATIC BODY PREPARED BY FIRING A COMPACTED MASS OF A FINELY DIVIDED MATERIAL TO PRODUCE INTIMATE BONDING OF THE PARTICLES THEREOF, AND CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COMPLEX FLUORINE COMPOUNDS OF THE FORMULA ARF3 WHERE A IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF MONOVALENT LI, NA, K, CU, RB, CS, AG, AND TI, AND R IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF DIVALENT MN, FE, CO, NI, MG, ZN AND PB, MIXTURES OF SUCH COMPOUNDS.
Claim 2
Dependent Claim
89 words
A FORMED, FIRED, DIELECTRIC CERAMATIC BODY PREPARED BY FIRING A COMPACTED MASS OF A FINELY DIVIDED MATERIAL TO PRODUCE INTIMATE BONDING OF THE PARTICLES THEREOF, AND CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COMPLEX FLUORINE COMPOUNDS OF THE FORMULA ARF3 WHERE A IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF MONOVALENT LI, NA, K, CU, RB, CS, AG, AND TI, AND R IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF DIVALENT MN, FE, CO, NI, MG, ZN AND PB, MIXTURES OF SUCH COMPOUNDS.
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |