Patent US3000996A successfully refreshed from Google Patents.
US3000996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accumulators
Assignee: Individual
•
Filing: 1957-06-27
•
Granted: 1961-09-19
•
Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Usel Hubert Stephan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:37
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/34; H01M10/342; H01M10/42; H01M10/52; H01M4/00; H01M4/02; H01M4/62; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A FLUID AND GAS-TIGHTLY ENCLOSED ACCUMULATOR COMPRISING, IN COMBINATION, A FLUID AND GAS-TIGHTLY CLOSED CASING: ELECTRODES OF OPPOSITE POLARITY ARRANGED IN SAID CASING SPACED FROM EACH OTHER; AN AQUEOUS ELECTROLYTE LOCATED IN SAID CASING IN CONTACT WITH SAID ELECTRODES, WHEREBY DURING OPERATION OF SAID ACCUMULATOR HYDROGEN AND OXYGEN IS GENERATED; AN ADSORBENT SUBSTANCE ADAPTED TO ADSORB SAID THUS GENERATED HYDROGEN AND OXYGEN, SAID ADSORBENT SUBSTANCE BEING INSOLUBLE IN SAID ELECTROLYTE AND DISPERSED IN SAID ELECTROLYTE IN FINELY SUBDIVIDED STATE SO AS TO AT LEAST RETARD ACCUMULATION OF HYDROGEN AND OXYGEN GAS WITHIN SAID CASING; AND AT LEAST ONE OXIDIZABLE AND REDUCIBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF TI2O3:TIO2 AND OF A HETEROPOLY ACID FORMED OF SUBSTANTIALLY EQUAL WEIGHTS OF VANADIC AND PER-IODIC ACID, BEING LOCATED IN SAID CASING IN CONTACT WITH SAID ELECTROLYTE AND PRESENT IN A QUANTITY SUFFICIENT TO REACT WITH SUBSTANTIALLY ALL OF SAID HYDROGEN GAS AND OXYGEN GAS GENERATED DURING OPERATION OF SAID ACCUMULATOR WHILE SAID GASES ARE AT LEAST PARTLY ADSORBED BY SAID FINELY DISPERSED ADSORBENT SUBSTANCE, SO AS TO PREVENT ACCUMULATION OF HYDROGEN AND OXYGEN GAS WITHIN SAID CASING.
Claim 2
Dependent Claim
185 words
A FLUID AND GAS-TIGHTLY ENCLOSED ACCUMULATOR COMPRISING, IN COMBINATION, A FLUID AND GAS-TIGHTLY CLOSED CASING: ELECTRODES OF OPPOSITE POLARITY ARRANGED IN SAID CASING SPACED FROM EACH OTHER; AN AQUEOUS ELECTROLYTE LOCATED IN SAID CASING IN CONTACT WITH SAID ELECTRODES, WHEREBY DURING OPERATION OF SAID ACCUMULATOR HYDROGEN AND OXYGEN IS GENERATED; AN ADSORBENT SUBSTANCE ADAPTED TO ADSORB SAID THUS GENERATED HYDROGEN AND OXYGEN, SAID ADSORBENT SUBSTANCE BEING INSOLUBLE IN SAID ELECTROLYTE AND DISPERSED IN SAID ELECTROLYTE IN FINELY SUBDIVIDED STATE SO AS TO AT LEAST RETARD ACCUMULATION OF HYDROGEN AND OXYGEN GAS WITHIN SAID CASING; AND AT LEAST ONE OXIDIZABLE AND REDUCIBLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF TI2O3:TIO2 AND OF A HETEROPOLY ACID FORMED OF SUBSTANTIALLY EQUAL WEIGHTS OF VANADIC AND PER-IODIC ACID, BEING LOCATED IN SAID CASING IN CONTACT WITH SAID ELECTROLYTE AND PRESENT IN A QUANTITY SUFFICIENT TO REACT WITH SUBSTANTIALLY ALL OF SAID HYDROGEN GAS AND OXYGEN GAS GENERATED DURING OPERATION OF SAID ACCUMULATOR WHILE SAID GASES ARE AT LEAST PARTLY ADSORBED BY SAID FINELY DISPERSED ADSORBENT SUBSTANCE, SO AS TO PREVENT ACCUMULATION OF HYDROGEN AND OXYGEN GAS WITHIN SAID CASING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |