Patent US2895854A successfully refreshed from Google Patents.
US2895854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making cathode assemblies and products
Assignee: Lanteris Space LLC
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Filing: 1956-09-28
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Granted: 1959-07-21
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Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 Rocque Armand P La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:53
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958; Y10T428/296; Y10T428/2982; Y10T428/2991; Y10T428/2993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A PREPARATION OF CATHODE ASSEMBLIES INVOLVING APPLICATION OF A SUSPENSION OF CATHODE METAL CARBONATES TO A CHATODE BASE AND DRYING THE COATING, APPLICATION OF A SUSPENSION OF REFRACTORY OXIDE POWDER TO A CATHODE HEATER BASE AND DRYING THE COATING, ASSEMBLING THE COATED CATHODE HEATER AND CATHODE IN CATHODE ASSEMBLY RELATIONSHIP AND PASSING CURRENT THROUGH THE CATHODE HEATER TO GENERATE HEAT TO HEAT THE ASSEMBLY, DECOMPOSING THE COATING BINDERS AND THE CARBONATES TO OXIDE FORM, THE IMPROVEMENT WHICH COMPRISES APPLYING SAID CARBONATES TO SAID CATHODE BASE AS A SUSPENSION IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE CELLULOSE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF SALTS OF CARBOXYMETHYL CELLULOSE, CARBOXYMETHYLHYDROXYETHYL CELLULOSE AND SALTS OF CARBOXYMETHYLHYDROXYETHYL CELLULOSE, SAID SOLUTION BEING FREE OF METAL IONS DETRIMENTAL TO EMISSION, AND APPLYING SAID REFRACTORY OXIDE POWDER AS A SUSPENSION IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE CELLULOSE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF SALTS OF CARBOXYMETHYL CELLULOSE, CARBOXYMETHYLHYDROXYETHYL CELLULOSE AND SALTS OF CARBOXYMETHYLHYDROXYETHYL CELLULOSE.
Claim 2
Dependent Claim
160 words
IN A PREPARATION OF CATHODE ASSEMBLIES INVOLVING APPLICATION OF A SUSPENSION OF CATHODE METAL CARBONATES TO A CHATODE BASE AND DRYING THE COATING, APPLICATION OF A SUSPENSION OF REFRACTORY OXIDE POWDER TO A CATHODE HEATER BASE AND DRYING THE COATING, ASSEMBLING THE COATED CATHODE HEATER AND CATHODE IN CATHODE ASSEMBLY RELATIONSHIP AND PASSING CURRENT THROUGH THE CATHODE HEATER TO GENERATE HEAT TO HEAT THE ASSEMBLY, DECOMPOSING THE COATING BINDERS AND THE CARBONATES TO OXIDE FORM, THE IMPROVEMENT WHICH COMPRISES APPLYING SAID CARBONATES TO SAID CATHODE BASE AS A SUSPENSION IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE CELLULOSE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF SALTS OF CARBOXYMETHYL CELLULOSE, CARBOXYMETHYLHYDROXYETHYL CELLULOSE AND SALTS OF CARBOXYMETHYLHYDROXYETHYL CELLULOSE, SAID SOLUTION BEING FREE OF METAL IONS DETRIMENTAL TO EMISSION, AND APPLYING SAID REFRACTORY OXIDE POWDER AS A SUSPENSION IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE CELLULOSE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF SALTS OF CARBOXYMETHYL CELLULOSE, CARBOXYMETHYLHYDROXYETHYL CELLULOSE AND SALTS OF CARBOXYMETHYLHYDROXYETHYL CELLULOSE.
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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |