US3358178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-porous body having pores filled with barium scandate
Assignee: Individual
•
Filing: 1964-10-26
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Granted: 1967-12-12
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Figner Avraam Iljich
- 👤 Soloveichik Anna Iosifovna
- 👤 Judinskaja Irina Vasiljevna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:02
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/02; H01J1/13; H01J1/20; H01J1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A METAL-POROUS CATHODE WITH A DEVICE FOR INDIRECT HEATING AND WITH A REFRACTORY METAL-POROUS BODY WHOSE PORES ARE FILLED WITH THE EMISSION-ACTIVE SUBSTANCE, BARIUM SCANDATE, 3BAO.2SC2O3.
Claim 2
Dependent Claim
26 words
A METAL-POROUS CATHODE WITH A DEVICE FOR INDIRECT HEATING AND WITH A REFRACTORY METAL-POROUS BODY WHOSE PORES ARE FILLED WITH THE EMISSION-ACTIVE SUBSTANCE, BARIUM SCANDATE, 3BAO.2SC2O3.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |