Patent US2717872A successfully refreshed from Google Patents.
US2717872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure electrolyzers
Assignee: Individual
•
Filing: 1951-08-09
•
Granted: 1955-09-13
•
Expires: 1971-08-09
Abstract
No abstract record available.
Inventors
- 👤 Ewald A Zdansky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:25
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B9/73; C25B9/77; C25B9/05; C25B9/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN AN ELECTROLYZER APPARATUS, IN COMBINATION, AN ASSEMBLY OF DIS-SHAPED JUXTAPOSED AXIALLY ALIGNED ELECTROLYTIC CELLS COMPOSED OF A PLURALITY OF SUBGROUPS OF CELLS EACH COMPRISING A PLURALITY OF SAID CELLS, EACH CELL HAVING TWO SEPARATE CHAMBERS; A COLLECTING MEMBER ARRANGED AT ONE END OF SAID GROUP OF CELLS AND HAVING TWO SEPARATE CHAMBERS; AND A PLURALITY OF PAIRS OF INLET AND OUTLET CONDUITS, EACH PAIR CONNECTING EACH CHAMBER OF THE CELLS OF ONLY ONE SAID SUBGROUPS TO SAID COLLECTING MEMBER WITH THE CHAMBERS OF EACH CELL COMMUNICATING WITH A DIFFERENT CHAMBER OF SAID COLLECTING MEMBER.
Claim 2
Dependent Claim
95 words
IN AN ELECTROLYZER APPARATUS, IN COMBINATION, AN ASSEMBLY OF DIS-SHAPED JUXTAPOSED AXIALLY ALIGNED ELECTROLYTIC CELLS COMPOSED OF A PLURALITY OF SUBGROUPS OF CELLS EACH COMPRISING A PLURALITY OF SAID CELLS, EACH CELL HAVING TWO SEPARATE CHAMBERS; A COLLECTING MEMBER ARRANGED AT ONE END OF SAID GROUP OF CELLS AND HAVING TWO SEPARATE CHAMBERS; AND A PLURALITY OF PAIRS OF INLET AND OUTLET CONDUITS, EACH PAIR CONNECTING EACH CHAMBER OF THE CELLS OF ONLY ONE SAID SUBGROUPS TO SAID COLLECTING MEMBER WITH THE CHAMBERS OF EACH CELL COMMUNICATING WITH A DIFFERENT CHAMBER OF SAID COLLECTING MEMBER.
References Cited (Backward Citations)
US1273357A
Cited
US1211687A
Cited
US1448037A
Cited
US1799116A
Cited
GB421310A
Cited
US2075688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |