Patent US3050386A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3050386A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing sinter electrodes

Assignee: Accumulatoren Fabrik AG
•
Filing: 1959-11-23
•
Granted: 1962-08-21
•
Expires: 1979-11-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dohren Hans Hermann Von
  • 👤 Walther Christa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:41
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/26; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 120 words
A METHOD OR PRODUCING POROUS SINTER ELECTRODES FOR ALKALINE STORAGE BATTERIES, COMPRISING THE STEPS OF FORMING AN INTIMATE MIXTURE OF A METAL POWDER ADAPTED TO BE SINTERED AND OF A PULVERULENT OXGANOMETALLIC COMPOUND ADAPTED UPON HEATING TO THE SINTERING TEMPERATURE OF SAID METAL POWDER TO FORM A GASEOUS DECOMPOSITION PRODUCT INCLUDING A REDUCING GAS AND A METAL ADAPTED TO BE AT SAID SINTERING TEMPERATURE; PRESSING SAID MIXTURE SO AS TO FORM AN ELECTRODE BLANK; AND HEATING THE THUS FORMED ELECTRODE BLANK TO SAID SINTERING TEMPERATURE SO AS TO SINTER SAID METALS AND SIMULTANEOUSLY TO RELEASE SAID REDUCING GAS THE LATTER PREVENTING OXIDATION OF SAID METALS WHEREBY A POROUS SINTER ELECTODE SUBSTANTIALLY FREE OF OXIDES OF SAID OF METALS IS FORMED.
Claim 2
Independent Claim 120 words
A METHOD OR PRODUCING POROUS SINTER ELECTRODES FOR ALKALINE STORAGE BATTERIES, COMPRISING THE STEPS OF FORMING AN INTIMATE MIXTURE OF A METAL POWDER ADAPTED TO BE SINTERED AND OF A PULVERULENT OXGANOMETALLIC COMPOUND ADAPTED UPON HEATING TO THE SINTERING TEMPERATURE OF SAID METAL POWDER TO FORM A GASEOUS DECOMPOSITION PRODUCT INCLUDING A REDUCING GAS AND A METAL ADAPTED TO BE AT SAID SINTERING TEMPERATURE; PRESSING SAID MIXTURE SO AS TO FORM AN ELECTRODE BLANK; AND HEATING THE THUS FORMED ELECTRODE BLANK TO SAID SINTERING TEMPERATURE SO AS TO SINTER SAID METALS AND SIMULTANEOUSLY TO RELEASE SAID REDUCING GAS THE LATTER PREVENTING OXIDATION OF SAID METALS WHEREBY A POROUS SINTER ELECTODE SUBSTANTIALLY FREE OF OXIDES OF SAID OF METALS IS FORMED.

References Cited (Backward Citations)

US1988961A Cited
US2119489A Cited
US2622024A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-20 1966-02-19 1966-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-20 1970-02-19 1970-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-20 1974-02-19 1974-08-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag